Bi, Bi, Bi……
EN 01 EN 02 EN 03
EN 05EN 04 EN 06 EN 07
EN 08
Carbon Dioxide: 400~5000 ppm [± ( 50ppm + 5%) ]
CO
2 Sound Alarm Range: (default) 1500 ppm
Battery: Built-in lithium ion polymer battery (3.7V, 1000mAh)
Input: Type-C, DC 5V ~ DC 24V (Max)
Fast charging protocol: QC2.0, PD3.0, AFC, USB C UFP (BC1.2 DCP CDP
SDP) and other common fast charging protocols
Storage Temperature: -10℃ ~ 55℃ / 14°F ~ 131°F
Product Size: 76mm × 70mm × 30mm (2.99 in × 2.75 in × 1.18 in)
Packing List:
PTH-10C × 1; Type-C Cable × 1; lanyard × 1; Users Manual × 1
The carbon dioxide measurement function and over-standard alarm
provided by this product are for reference only and cannot be used
as the sole basis.
During daily use, pay attention to safety and keep good ventilation
at all times to avoid danger!
Carbon dioxide
concentration
Shut
Open
Screen display and button
Press function button
Customize Sound Alarm Value
Turn on and off the automatic
calibration
Turn on and off the alarm sound
Long press function button
Calibrating CO2 measurements manually
Light Indication Alert
Buzzer Alert
Battery Capacity
Light Indicat
ion
Alert
Electrical products must not be thrown out with domestic
waste. They must be taken to a communal collecting point
for environmentally friendly disposal in accordance with
local regulations. Contact your local authorities or
stockiest for advice on recycling. The packaging material
is recyclable. Dispose of the packaging in an
environmentally friendly manner and make it available
for the recyclable material collection-service.
After 5 seconds the
screen will display
“-CAL”
Short press the function button to turn on or off the
automatic calibration function
Long press the
function button to
confirm and enter the
hundreds digit setting
Press the function
button to adjust
the value
Press the function
button to adjust the
value
In the off state,
long press the
function key
Do not let go,
continue to
press and hold
After the countdown is
complete, the device
turns on
Entering the
200-second
countdown, the carbon
dioxide concentration
value is being
calibrated at this time
Release function key
Release
function key
The screen will display as
follows within 2 seconds
Long press the function
button to confirm and
enter the thousands
digit setting
Press the function
button to adjust
the value
Double-click the
function button to
enter the setup
mode
Press the function
button to adjust
the value
Long press the
function button to
confirm, and then
turn the buzzer sound
on or off
Long press the function
button to exit the setting
mode
Long press the
function but ton,
Confirm and enter
the setting of
automatic calibration
state
Long press the
function but ton to
confirm and enter the
tens digit setting
Note:
Lanyard hole
Air Vent
Input Port
Temperature and humidity sensor
Sound Alert
Function button
Air Detector
EN
Power on
Note: During the calibration of carbon dioxide value, you
must put the device in a well-ventilated place, and make
sure that no one is close to it, so as not to interfere with the
calibration effect.
Made in China
1 year warranty against quality issues caused by any manufacturing
defect or defective workmanship,but excludes disposable batteries or
damage caused by accident, neglect, misuse, alteration,
contamination, or abnormal conditions of operation or handling.
Do not expose this product to water and dust, nor place it in a high temperature
environment exceeding 70°C, and keep it away from fire.
Do not expose this product directly to avoid danger.
The device is a precision measuring instrument, and it is not allowed to disassemble it
without authorization.
Please charge the device with a charging plug that meets the specifications,
otherwise the internal parts may be damaged.
The charging cable and charging plug must support the relevant fast charging
protocol at the same time in order to realize fast charging.
When charging, due to the heating of the charging circuit and the battery, the
temperature and humidity value may be 3°C ~ 5°C higher than the normal value. To
obtain an accurate temperature and humidity measurement value, please read it after
the device cools down to room temperature.
If you do not use this device for a long time, it will take about 20 minutes for the
internal sensor to warm up when rebooting.
If you want to stay out of use for a long time, please charge the device first, then turn
it off and put it away.
Green
Yellow
Red
Green
Yellow
Red
If there is no keystroke operation within 5 minutes,
the device automatically enters power-saving
mode. Press function button to wake up it.
If the product resets the alarm
value, when the carbon dioxide
concentration exceeds the alarm
value, the red indicator bar starts
to flash with alarm sounds.
In the initial state, when the
carbon dioxide concentration
is 700~1499ppm, the yellow
indicator bar flashes,
indicating alert.
In the initial state, when the
carbon dioxide concentration
is above 1500ppm, the red
indicator bar flashes,
indicating danger (in the
initial default state, there is
an audible alarm).
When the carbon dioxide concentration is 400~699ppm,
the green indicator bar flashes, indicating that the carbon
dioxide concentration is at a low level.
During the setting process, if there is no keystroke operation
within 15 seconds, the device will automatically save the current
setting operation and exit.
After the sound function is turned on, short-press the function key
when the over-standard alarm is triggered, and the alarm will stop. But
when the value is lower than the alarm value and rises to exceed it
again, it will trigger the alarm again.
short press to turn on/off
the sound
PTH-10C
Bi, Bi, Bi……
EN 01 EN 02 EN 03
EN 05EN 04 EN 06 EN 07
EN 08
Carbon Dioxide: 400~5000 ppm [± ( 50ppm + 5%) ]
CO
2 Sound Alarm Range: (default) 1500 ppm
Battery: Built-in lithium ion polymer battery (3.7V, 1000mAh)
Input: Type-C, DC 5V ~ DC 24V (Max)
Fast charging protocol: QC2.0, PD3.0, AFC, USB C UFP (BC1.2 DCP CDP
SDP) and other common fast charging protocols
Storage Temperature: -10℃ ~ 55℃ / 14°F ~ 131°F
Product Size: 76mm × 70mm × 30mm (2.99 in × 2.75 in × 1.18 in)
Packing List:
PTH-10C × 1; Type-C Cable × 1; lanyard × 1; Users Manual × 1
The carbon dioxide measurement function and over-standard alarm
provided by this product are for reference only and cannot be used
as the sole basis.
During daily use, pay attention to safety and keep good ventilation
at all times to avoid danger!
Carbon dioxide
concentration
Shut
Open
Screen display and button
Press function button
Customize Sound Alarm Value
Turn on and off the automatic
calibration
Turn on and off the alarm sound
Long press function button
Calibrating CO2 measurements manually
Light Indication Alert
Buzzer Alert
Battery Capacity
Light Indicat
ion
Alert
Electrical products must not be thrown out with domestic
waste. They must be taken to a communal collecting point
for environmentally friendly disposal in accordance with
local regulations. Contact your local authorities or
stockiest for advice on recycling. The packaging material
is recyclable. Dispose of the packaging in an
environmentally friendly manner and make it available
for the recyclable material collection-service.
After 5 seconds the
screen will display
“-CAL”
Short press the function button to turn on or off the
automatic calibration function
Long press the
function button to
confirm and enter the
hundreds digit setting
Press the function
button to adjust
the value
Press the function
button to adjust the
value
In the off state,
long press the
function key
Do not let go,
continue to
press and hold
After the countdown is
complete, the device
turns on
Entering the
200-second
countdown, the carbon
dioxide concentration
value is being
calibrated at this time
Release function key
Release
function key
The screen will display as
follows within 2 seconds
Long press the function
button to confirm and
enter the thousands
digit setting
Press the function
button to adjust
the value
Double-click the
function button to
enter the setup
mode
Press the function
button to adjust
the value
Long press the
function button to
confirm, and then
turn the buzzer sound
on or off
Long press the function
button to exit the setting
mode
Long press the
function but ton,
Confirm and enter
the setting of
automatic calibration
state
Long press the
function but ton to
confirm and enter the
tens digit setting
Note:
Lanyard hole
Air Vent
Input Port
Temperature and humidity sensor
Sound Alert
Function button
Air Detector
EN
Power on
Note: During the calibration of carbon dioxide value, you
must put the device in a well-ventilated place, and make
sure that no one is close to it, so as not to interfere with the
calibration effect.
Made in China
1 year warranty against quality issues caused by any manufacturing
defect or defective workmanship,but excludes disposable batteries or
damage caused by accident, neglect, misuse, alteration,
contamination, or abnormal conditions of operation or handling.
Do not expose this product to water and dust, nor place it in a high temperature
environment exceeding 70°C, and keep it away from fire.
Do not expose this product directly to avoid danger.
The device is a precision measuring instrument, and it is not allowed to disassemble it
without authorization.
Please charge the device with a charging plug that meets the specifications,
otherwise the internal parts may be damaged.
The charging cable and charging plug must support the relevant fast charging
protocol at the same time in order to realize fast charging.
When charging, due to the heating of the charging circuit and the battery, the
temperature and humidity value may be 3°C ~ 5°C higher than the normal value. To
obtain an accurate temperature and humidity measurement value, please read it after
the device cools down to room temperature.
If you do not use this device for a long time, it will take about 20 minutes for the
internal sensor to warm up when rebooting.
If you want to stay out of use for a long time, please charge the device first, then turn
it off and put it away.
Green
Yellow
Red
Green
Yellow
Red
If there is no keystroke operation within 5 minutes,
the device automatically enters power-saving
mode. Press function button to wake up it.
If the product resets the alarm
value, when the carbon dioxide
concentration exceeds the alarm
value, the red indicator bar starts
to flash with alarm sounds.
In the initial state, when the
carbon dioxide concentration
is 700~1499ppm, the yellow
indicator bar flashes,
indicating alert.
In the initial state, when the
carbon dioxide concentration
is above 1500ppm, the red
indicator bar flashes,
indicating danger (in the
initial default state, there is
an audible alarm).
When the carbon dioxide concentration is 400~699ppm,
the green indicator bar flashes, indicating that the carbon
dioxide concentration is at a low level.
During the setting process, if there is no keystroke operation
within 15 seconds, the device will automatically save the current
setting operation and exit.
After the sound function is turned on, short-press the function key
when the over-standard alarm is triggered, and the alarm will stop. But
when the value is lower than the alarm value and rises to exceed it
again, it will trigger the alarm again.
short press to turn on/off
the sound
PTH-10C
Bi, Bi, Bi……
EN 01 EN 02 EN 03
EN 05EN 04 EN 06 EN 07
EN 08
Carbon Dioxide: 400~5000 ppm [± ( 50ppm + 5%) ]
CO
2 Sound Alarm Range: (default) 1500 ppm
Battery: Built-in lithium ion polymer battery (3.7V, 1000mAh)
Input: Type-C, DC 5V ~ DC 24V (Max)
Fast charging protocol: QC2.0, PD3.0, AFC, USB C UFP (BC1.2 DCP CDP
SDP) and other common fast charging protocols
Storage Temperature: -10℃ ~ 55℃ / 14°F ~ 131°F
Product Size: 76mm × 70mm × 30mm (2.99 in × 2.75 in × 1.18 in)
Packing List:
PTH-10C × 1; Type-C Cable × 1; lanyard × 1; Users Manual × 1
The carbon dioxide measurement function and over-standard alarm
provided by this product are for reference only and cannot be used
as the sole basis.
During daily use, pay attention to safety and keep good ventilation
at all times to avoid danger!
Carbon dioxide
concentration
Shut
Open
Screen display and button
Press function button
Customize Sound Alarm Value
Turn on and off the automatic
calibration
Turn on and off the alarm sound
Long press function button
Calibrating CO2 measurements manually
Light Indication Alert
Buzzer Alert
Battery Capacity
Light Indicat
ion
Alert
Electrical products must not be thrown out with domestic
waste. They must be taken to a communal collecting point
for environmentally friendly disposal in accordance with
local regulations. Contact your local authorities or
stockiest for advice on recycling. The packaging material
is recyclable. Dispose of the packaging in an
environmentally friendly manner and make it available
for the recyclable material collection-service.
After 5 seconds the
screen will display
“-CAL”
Short press the function button to turn on or off the
automatic calibration function
Long press the
function button to
confirm and enter the
hundreds digit setting
Press the function
button to adjust
the value
Press the function
button to adjust the
value
In the off state,
long press the
function key
Do not let go,
continue to
press and hold
After the countdown is
complete, the device
turns on
Entering the
200-second
countdown, the carbon
dioxide concentration
value is being
calibrated at this time
Release function key
Release
function key
The screen will display as
follows within 2 seconds
Long press the function
button to confirm and
enter the thousands
digit setting
Press the function
button to adjust
the value
Double-click the
function button to
enter the setup
mode
Press the function
button to adjust
the value
Long press the
function button to
confirm, and then
turn the buzzer sound
on or off
Long press the function
button to exit the setting
mode
Long press the
function but ton,
Confirm and enter
the setting of
automatic calibration
state
Long press the
function but ton to
confirm and enter the
tens digit setting
Note:
Lanyard hole
Air Vent
Input Port
Temperature and humidity sensor
Sound Alert
Function button
Air Detector
EN
Power on
Note: During the calibration of carbon dioxide value, you
must put the device in a well-ventilated place, and make
sure that no one is close to it, so as not to interfere with the
calibration effect.
Made in China
1 year warranty against quality issues caused by any manufacturing
defect or defective workmanship,but excludes disposable batteries or
damage caused by accident, neglect, misuse, alteration,
contamination, or abnormal conditions of operation or handling.
Do not expose this product to water and dust, nor place it in a high temperature
environment exceeding 70°C, and keep it away from fire.
Do not expose this product directly to avoid danger.
The device is a precision measuring instrument, and it is not allowed to disassemble it
without authorization.
Please charge the device with a charging plug that meets the specifications,
otherwise the internal parts may be damaged.
The charging cable and charging plug must support the relevant fast charging
protocol at the same time in order to realize fast charging.
When charging, due to the heating of the charging circuit and the battery, the
temperature and humidity value may be 3°C ~ 5°C higher than the normal value. To
obtain an accurate temperature and humidity measurement value, please read it after
the device cools down to room temperature.
If you do not use this device for a long time, it will take about 20 minutes for the
internal sensor to warm up when rebooting.
If you want to stay out of use for a long time, please charge the device first, then turn
it off and put it away.
Green
Yellow
Red
Green
Yellow
Red
If there is no keystroke operation within 5 minutes,
the device automatically enters power-saving
mode. Press function button to wake up it.
If the product resets the alarm
value, when the carbon dioxide
concentration exceeds the alarm
value, the red indicator bar starts
to flash with alarm sounds.
In the initial state, when the
carbon dioxide concentration
is 700~1499ppm, the yellow
indicator bar flashes,
indicating alert.
In the initial state, when the
carbon dioxide concentration
is above 1500ppm, the red
indicator bar flashes,
indicating danger (in the
initial default state, there is
an audible alarm).
When the carbon dioxide concentration is 400~699ppm,
the green indicator bar flashes, indicating that the carbon
dioxide concentration is at a low level.
During the setting process, if there is no keystroke operation
within 15 seconds, the device will automatically save the current
setting operation and exit.
After the sound function is turned on, short-press the function key
when the over-standard alarm is triggered, and the alarm will stop. But
when the value is lower than the alarm value and rises to exceed it
again, it will trigger the alarm again.
short press to turn on/off
the sound
PTH-10C
Bi, Bi, Bi……
EN 01 EN 02 EN 03
EN 05EN 04 EN 06 EN 07
EN 08
Carbon Dioxide: 400~5000 ppm [± ( 50ppm + 5%) ]
CO
2 Sound Alarm Range: (default) 1500 ppm
Battery: Built-in lithium ion polymer battery (3.7V, 1000mAh)
Input: Type-C, DC 5V ~ DC 24V (Max)
Fast charging protocol: QC2.0, PD3.0, AFC, USB C UFP (BC1.2 DCP CDP
SDP) and other common fast charging protocols
Storage Temperature: -10℃ ~ 55℃ / 14°F ~ 131°F
Product Size: 76mm × 70mm × 30mm (2.99 in × 2.75 in × 1.18 in)
Packing List:
PTH-10C × 1; Type-C Cable × 1; lanyard × 1; Users Manual × 1
The carbon dioxide measurement function and over-standard alarm
provided by this product are for reference only and cannot be used
as the sole basis.
During daily use, pay attention to safety and keep good ventilation
at all times to avoid danger!
Carbon dioxide
concentration
Shut
Open
Screen display and button
Press function button
Customize Sound Alarm Value
Turn on and off the automatic
calibration
Turn on and off the alarm sound
Long press function button
Calibrating CO2 measurements manually
Light Indication Alert
Buzzer Alert
Battery Capacity
Light Indicat
ion
Alert
Electrical products must not be thrown out with domestic
waste. They must be taken to a communal collecting point
for environmentally friendly disposal in accordance with
local regulations. Contact your local authorities or
stockiest for advice on recycling. The packaging material
is recyclable. Dispose of the packaging in an
environmentally friendly manner and make it available
for the recyclable material collection-service.
After 5 seconds the
screen will display
“-CAL”
Short press the function button to turn on or off the
automatic calibration function
Long press the
function button to
confirm and enter the
hundreds digit setting
Press the function
button to adjust
the value
Press the function
button to adjust the
value
In the off state,
long press the
function key
Do not let go,
continue to
press and hold
After the countdown is
complete, the device
turns on
Entering the
200-second
countdown, the carbon
dioxide concentration
value is being
calibrated at this time
Release function key
Release
function key
The screen will display as
follows within 2 seconds
Long press the function
button to confirm and
enter the thousands
digit setting
Press the function
button to adjust
the value
Double-click the
function button to
enter the setup
mode
Press the function
button to adjust
the value
Long press the
function button to
confirm, and then
turn the buzzer sound
on or off
Long press the function
button to exit the setting
mode
Long press the
function but ton,
Confirm and enter
the setting of
automatic calibration
state
Long press the
function but ton to
confirm and enter the
tens digit setting
Note:
Lanyard hole
Air Vent
Input Port
Temperature and humidity sensor
Sound Alert
Function button
Air Detector
EN
Power on
Note: During the calibration of carbon dioxide value, you
must put the device in a well-ventilated place, and make
sure that no one is close to it, so as not to interfere with the
calibration effect.
Made in China
1 year warranty against quality issues caused by any manufacturing
defect or defective workmanship,but excludes disposable batteries or
damage caused by accident, neglect, misuse, alteration,
contamination, or abnormal conditions of operation or handling.
Do not expose this product to water and dust, nor place it in a high temperature
environment exceeding 70°C, and keep it away from fire.
Do not expose this product directly to avoid danger.
The device is a precision measuring instrument, and it is not allowed to disassemble it
without authorization.
Please charge the device with a charging plug that meets the specifications,
otherwise the internal parts may be damaged.
The charging cable and charging plug must support the relevant fast charging
protocol at the same time in order to realize fast charging.
When charging, due to the heating of the charging circuit and the battery, the
temperature and humidity value may be 3°C ~ 5°C higher than the normal value. To
obtain an accurate temperature and humidity measurement value, please read it after
the device cools down to room temperature.
If you do not use this device for a long time, it will take about 20 minutes for the
internal sensor to warm up when rebooting.
If you want to stay out of use for a long time, please charge the device first, then turn
it off and put it away.
Green
Yellow
Red
Green
Yellow
Red
If there is no keystroke operation within 5 minutes,
the device automatically enters power-saving
mode. Press function button to wake up it.
If the product resets the alarm
value, when the carbon dioxide
concentration exceeds the alarm
value, the red indicator bar starts
to flash with alarm sounds.
In the initial state, when the
carbon dioxide concentration
is 700~1499ppm, the yellow
indicator bar flashes,
indicating alert.
In the initial state, when the
carbon dioxide concentration
is above 1500ppm, the red
indicator bar flashes,
indicating danger (in the
initial default state, there is
an audible alarm).
When the carbon dioxide concentration is 400~699ppm,
the green indicator bar flashes, indicating that the carbon
dioxide concentration is at a low level.
During the setting process, if there is no keystroke operation
within 15 seconds, the device will automatically save the current
setting operation and exit.
After the sound function is turned on, short-press the function key
when the over-standard alarm is triggered, and the alarm will stop. But
when the value is lower than the alarm value and rises to exceed it
again, it will trigger the alarm again.
short press to turn on/off
the sound
PTH-10C
Bi, Bi, Bi……
EN 01 EN 02 EN 03
EN 05EN 04 EN 06 EN 07
EN 08
Carbon Dioxide: 400~5000 ppm [± ( 50ppm + 5%) ]
CO
2 Sound Alarm Range: (default) 1500 ppm
Battery: Built-in lithium ion polymer battery (3.7V, 1000mAh)
Input: Type-C, DC 5V ~ DC 24V (Max)
Fast charging protocol: QC2.0, PD3.0, AFC, USB C UFP (BC1.2 DCP CDP
SDP) and other common fast charging protocols
Storage Temperature: -10℃ ~ 55℃ / 14°F ~ 131°F
Product Size: 76mm × 70mm × 30mm (2.99 in × 2.75 in × 1.18 in)
Packing List:
PTH-10C × 1; Type-C Cable × 1; lanyard × 1; Users Manual × 1
The carbon dioxide measurement function and over-standard alarm
provided by this product are for reference only and cannot be used
as the sole basis.
During daily use, pay attention to safety and keep good ventilation
at all times to avoid danger!
Carbon dioxide
concentration
Shut
Open
Screen display and button
Press function button
Customize Sound Alarm Value
Turn on and off the automatic
calibration
Turn on and off the alarm sound
Long press function button
Calibrating CO2 measurements manually
Light Indication Alert
Buzzer Alert
Battery Capacity
Light Indicat
ion
Alert
Electrical products must not be thrown out with domestic
waste. They must be taken to a communal collecting point
for environmentally friendly disposal in accordance with
local regulations. Contact your local authorities or
stockiest for advice on recycling. The packaging material
is recyclable. Dispose of the packaging in an
environmentally friendly manner and make it available
for the recyclable material collection-service.
After 5 seconds the
screen will display
“-CAL”
Short press the function button to turn on or off the
automatic calibration function
Long press the
function button to
confirm and enter the
hundreds digit setting
Press the function
button to adjust
the value
Press the function
button to adjust the
value
In the off state,
long press the
function key
Do not let go,
continue to
press and hold
After the countdown is
complete, the device
turns on
Entering the
200-second
countdown, the carbon
dioxide concentration
value is being
calibrated at this time
Release function key
Release
function key
The screen will display as
follows within 2 seconds
Long press the function
button to confirm and
enter the thousands
digit setting
Press the function
button to adjust
the value
Double-click the
function button to
enter the setup
mode
Press the function
button to adjust
the value
Long press the
function button to
confirm, and then
turn the buzzer sound
on or off
Long press the function
button to exit the setting
mode
Long press the
function but ton,
Confirm and enter
the setting of
automatic calibration
state
Long press the
function but ton to
confirm and enter the
tens digit setting
Note:
Lanyard hole
Air Vent
Input Port
Temperature and humidity sensor
Sound Alert
Function button
Air Detector
EN
Power on
Note: During the calibration of carbon dioxide value, you
must put the device in a well-ventilated place, and make
sure that no one is close to it, so as not to interfere with the
calibration effect.
Made in China
1 year warranty against quality issues caused by any manufacturing
defect or defective workmanship,but excludes disposable batteries or
damage caused by accident, neglect, misuse, alteration,
contamination, or abnormal conditions of operation or handling.
Do not expose this product to water and dust, nor place it in a high temperature
environment exceeding 70°C, and keep it away from fire.
Do not expose this product directly to avoid danger.
The device is a precision measuring instrument, and it is not allowed to disassemble it
without authorization.
Please charge the device with a charging plug that meets the specifications,
otherwise the internal parts may be damaged.
The charging cable and charging plug must support the relevant fast charging
protocol at the same time in order to realize fast charging.
When charging, due to the heating of the charging circuit and the battery, the
temperature and humidity value may be 3°C ~ 5°C higher than the normal value. To
obtain an accurate temperature and humidity measurement value, please read it after
the device cools down to room temperature.
If you do not use this device for a long time, it will take about 20 minutes for the
internal sensor to warm up when rebooting.
If you want to stay out of use for a long time, please charge the device first, then turn
it off and put it away.
Green
Yellow
Red
Green
Yellow
Red
If there is no keystroke operation within 5 minutes,
the device automatically enters power-saving
mode. Press function button to wake up it.
If the product resets the alarm
value, when the carbon dioxide
concentration exceeds the alarm
value, the red indicator bar starts
to flash with alarm sounds.
In the initial state, when the
carbon dioxide concentration
is 700~1499ppm, the yellow
indicator bar flashes,
indicating alert.
In the initial state, when the
carbon dioxide concentration
is above 1500ppm, the red
indicator bar flashes,
indicating danger (in the
initial default state, there is
an audible alarm).
When the carbon dioxide concentration is 400~699ppm,
the green indicator bar flashes, indicating that the carbon
dioxide concentration is at a low level.
During the setting process, if there is no keystroke operation
within 15 seconds, the device will automatically save the current
setting operation and exit.
After the sound function is turned on, short-press the function key
when the over-standard alarm is triggered, and the alarm will stop. But
when the value is lower than the alarm value and rises to exceed it
again, it will trigger the alarm again.
short press to turn on/off
the sound
PTH-10C
Bi, Bi, Bi……
EN 01 EN 02 EN 03
EN 05EN 04 EN 06 EN 07
EN 08
Carbon Dioxide: 400~5000 ppm [± ( 50ppm + 5%) ]
CO
2 Sound Alarm Range: (default) 1500 ppm
Battery: Built-in lithium ion polymer battery (3.7V, 1000mAh)
Input: Type-C, DC 5V ~ DC 24V (Max)
Fast charging protocol: QC2.0, PD3.0, AFC, USB C UFP (BC1.2 DCP CDP
SDP) and other common fast charging protocols
Storage Temperature: -10℃ ~ 55℃ / 14°F ~ 131°F
Product Size: 76mm × 70mm × 30mm (2.99 in × 2.75 in × 1.18 in)
Packing List:
PTH-10C × 1; Type-C Cable × 1; lanyard × 1; Users Manual × 1
The carbon dioxide measurement function and over-standard alarm
provided by this product are for reference only and cannot be used
as the sole basis.
During daily use, pay attention to safety and keep good ventilation
at all times to avoid danger!
Carbon dioxide
concentration
Shut
Open
Screen display and button
Press function button
Customize Sound Alarm Value
Turn on and off the automatic
calibration
Turn on and off the alarm sound
Long press function button
Calibrating CO2 measurements manually
Light Indication Alert
Buzzer Alert
Battery Capacity
Light Indicat
ion
Alert
Electrical products must not be thrown out with domestic
waste. They must be taken to a communal collecting point
for environmentally friendly disposal in accordance with
local regulations. Contact your local authorities or
stockiest for advice on recycling. The packaging material
is recyclable. Dispose of the packaging in an
environmentally friendly manner and make it available
for the recyclable material collection-service.
After 5 seconds the
screen will display
“-CAL”
Short press the function button to turn on or off the
automatic calibration function
Long press the
function button to
confirm and enter the
hundreds digit setting
Press the function
button to adjust
the value
Press the function
button to adjust the
value
In the off state,
long press the
function key
Do not let go,
continue to
press and hold
After the countdown is
complete, the device
turns on
Entering the
200-second
countdown, the carbon
dioxide concentration
value is being
calibrated at this time
Release function key
Release
function key
The screen will display as
follows within 2 seconds
Long press the function
button to confirm and
enter the thousands
digit setting
Press the function
button to adjust
the value
Double-click the
function button to
enter the setup
mode
Press the function
button to adjust
the value
Long press the
function button to
confirm, and then
turn the buzzer sound
on or off
Long press the function
button to exit the setting
mode
Long press the
function but ton,
Confirm and enter
the setting of
automatic calibration
state
Long press the
function but ton to
confirm and enter the
tens digit setting
Note:
Lanyard hole
Air Vent
Input Port
Temperature and humidity sensor
Sound Alert
Function button
Air Detector
EN
Power on
Note: During the calibration of carbon dioxide value, you
must put the device in a well-ventilated place, and make
sure that no one is close to it, so as not to interfere with the
calibration effect.
Made in China
1 year warranty against quality issues caused by any manufacturing
defect or defective workmanship,but excludes disposable batteries or
damage caused by accident, neglect, misuse, alteration,
contamination, or abnormal conditions of operation or handling.
Do not expose this product to water and dust, nor place it in a high temperature
environment exceeding 70°C, and keep it away from fire.
Do not expose this product directly to avoid danger.
The device is a precision measuring instrument, and it is not allowed to disassemble it
without authorization.
Please charge the device with a charging plug that meets the specifications,
otherwise the internal parts may be damaged.
The charging cable and charging plug must support the relevant fast charging
protocol at the same time in order to realize fast charging.
When charging, due to the heating of the charging circuit and the battery, the
temperature and humidity value may be 3°C ~ 5°C higher than the normal value. To
obtain an accurate temperature and humidity measurement value, please read it after
the device cools down to room temperature.
If you do not use this device for a long time, it will take about 20 minutes for the
internal sensor to warm up when rebooting.
If you want to stay out of use for a long time, please charge the device first, then turn
it off and put it away.
Green
Yellow
Red
Green
Yellow
Red
If there is no keystroke operation within 5 minutes,
the device automatically enters power-saving
mode. Press function button to wake up it.
If the product resets the alarm
value, when the carbon dioxide
concentration exceeds the alarm
value, the red indicator bar starts
to flash with alarm sounds.
In the initial state, when the
carbon dioxide concentration
is 700~1499ppm, the yellow
indicator bar flashes,
indicating alert.
In the initial state, when the
carbon dioxide concentration
is above 1500ppm, the red
indicator bar flashes,
indicating danger (in the
initial default state, there is
an audible alarm).
When the carbon dioxide concentration is 400~699ppm,
the green indicator bar flashes, indicating that the carbon
dioxide concentration is at a low level.
During the setting process, if there is no keystroke operation
within 15 seconds, the device will automatically save the current
setting operation and exit.
After the sound function is turned on, short-press the function key
when the over-standard alarm is triggered, and the alarm will stop. But
when the value is lower than the alarm value and rises to exceed it
again, it will trigger the alarm again.
short press to turn on/off
the sound
PTH-10C
Bi, Bi, Bi……
EN 01 EN 02 EN 03
EN 05EN 04 EN 06 EN 07
EN 08
Carbon Dioxide: 400~5000 ppm [± ( 50ppm + 5%) ]
CO
2 Sound Alarm Range: (default) 1500 ppm
Battery: Built-in lithium ion polymer battery (3.7V, 1000mAh)
Input: Type-C, DC 5V ~ DC 24V (Max)
Fast charging protocol: QC2.0, PD3.0, AFC, USB C UFP (BC1.2 DCP CDP
SDP) and other common fast charging protocols
Storage Temperature: -10℃ ~ 55℃ / 14°F ~ 131°F
Product Size: 76mm × 70mm × 30mm (2.99 in × 2.75 in × 1.18 in)
Packing List:
PTH-10C × 1; Type-C Cable × 1; lanyard × 1; Users Manual × 1
The carbon dioxide measurement function and over-standard alarm
provided by this product are for reference only and cannot be used
as the sole basis.
During daily use, pay attention to safety and keep good ventilation
at all times to avoid danger!
Carbon dioxide
concentration
Shut
Open
Screen display and button
Press function button
Customize Sound Alarm Value
Turn on and off the automatic
calibration
Turn on and off the alarm sound
Long press function button
Calibrating CO2 measurements manually
Light Indication Alert
Buzzer Alert
Battery Capacity
Light Indicat
ion
Alert
Electrical products must not be thrown out with domestic
waste. They must be taken to a communal collecting point
for environmentally friendly disposal in accordance with
local regulations. Contact your local authorities or
stockiest for advice on recycling. The packaging material
is recyclable. Dispose of the packaging in an
environmentally friendly manner and make it available
for the recyclable material collection-service.
After 5 seconds the
screen will display
“-CAL”
Short press the function button to turn on or off the
automatic calibration function
Long press the
function button to
confirm and enter the
hundreds digit setting
Press the function
button to adjust
the value
Press the function
button to adjust the
value
In the off state,
long press the
function key
Do not let go,
continue to
press and hold
After the countdown is
complete, the device
turns on
Entering the
200-second
countdown, the carbon
dioxide concentration
value is being
calibrated at this time
Release function key
Release
function key
The screen will display as
follows within 2 seconds
Long press the function
button to confirm and
enter the thousands
digit setting
Press the function
button to adjust
the value
Double-click the
function button to
enter the setup
mode
Press the function
button to adjust
the value
Long press the
function button to
confirm, and then
turn the buzzer sound
on or off
Long press the function
button to exit the setting
mode
Long press the
function but ton,
Confirm and enter
the setting of
automatic calibration
state
Long press the
function but ton to
confirm and enter the
tens digit setting
Note:
Lanyard hole
Air Vent
Input Port
Temperature and humidity sensor
Sound Alert
Function button
Air Detector
EN
Power on
Note: During the calibration of carbon dioxide value, you
must put the device in a well-ventilated place, and make
sure that no one is close to it, so as not to interfere with the
calibration effect.
Made in China
1 year warranty against quality issues caused by any manufacturing
defect or defective workmanship,but excludes disposable batteries or
damage caused by accident, neglect, misuse, alteration,
contamination, or abnormal conditions of operation or handling.
Do not expose this product to water and dust, nor place it in a high temperature
environment exceeding 70°C, and keep it away from fire.
Do not expose this product directly to avoid danger.
The device is a precision measuring instrument, and it is not allowed to disassemble it
without authorization.
Please charge the device with a charging plug that meets the specifications,
otherwise the internal parts may be damaged.
The charging cable and charging plug must support the relevant fast charging
protocol at the same time in order to realize fast charging.
When charging, due to the heating of the charging circuit and the battery, the
temperature and humidity value may be 3°C ~ 5°C higher than the normal value. To
obtain an accurate temperature and humidity measurement value, please read it after
the device cools down to room temperature.
If you do not use this device for a long time, it will take about 20 minutes for the
internal sensor to warm up when rebooting.
If you want to stay out of use for a long time, please charge the device first, then turn
it off and put it away.
Green
Yellow
Red
Green
Yellow
Red
If there is no keystroke operation within 5 minutes,
the device automatically enters power-saving
mode. Press function button to wake up it.
If the product resets the alarm
value, when the carbon dioxide
concentration exceeds the alarm
value, the red indicator bar starts
to flash with alarm sounds.
In the initial state, when the
carbon dioxide concentration
is 700~1499ppm, the yellow
indicator bar flashes,
indicating alert.
In the initial state, when the
carbon dioxide concentration
is above 1500ppm, the red
indicator bar flashes,
indicating danger (in the
initial default state, there is
an audible alarm).
When the carbon dioxide concentration is 400~699ppm,
the green indicator bar flashes, indicating that the carbon
dioxide concentration is at a low level.
During the setting process, if there is no keystroke operation
within 15 seconds, the device will automatically save the current
setting operation and exit.
After the sound function is turned on, short-press the function key
when the over-standard alarm is triggered, and the alarm will stop. But
when the value is lower than the alarm value and rises to exceed it
again, it will trigger the alarm again.
short press to turn on/off
the sound
PTH-10C
Bi, Bi, Bi……
EN 01 EN 02 EN 03
EN 05EN 04 EN 06 EN 07
EN 08
Carbon Dioxide: 400~5000 ppm [± ( 50ppm + 5%) ]
CO
2 Sound Alarm Range: (default) 1500 ppm
Battery: Built-in lithium ion polymer battery (3.7V, 1000mAh)
Input: Type-C, DC 5V ~ DC 24V (Max)
Fast charging protocol: QC2.0, PD3.0, AFC, USB C UFP (BC1.2 DCP CDP
SDP) and other common fast charging protocols
Storage Temperature: -10℃ ~ 55℃ / 14°F ~ 131°F
Product Size: 76mm × 70mm × 30mm (2.99 in × 2.75 in × 1.18 in)
Packing List:
PTH-10C × 1; Type-C Cable × 1; lanyard × 1; Users Manual × 1
The carbon dioxide measurement function and over-standard alarm
provided by this product are for reference only and cannot be used
as the sole basis.
During daily use, pay attention to safety and keep good ventilation
at all times to avoid danger!
Carbon dioxide
concentration
Shut
Open
Screen display and button
Press function button
Customize Sound Alarm Value
Turn on and off the automatic
calibration
Turn on and off the alarm sound
Long press function button
Calibrating CO2 measurements manually
Light Indication Alert
Buzzer Alert
Battery Capacity
Light Indicat
ion
Alert
Electrical products must not be thrown out with domestic
waste. They must be taken to a communal collecting point
for environmentally friendly disposal in accordance with
local regulations. Contact your local authorities or
stockiest for advice on recycling. The packaging material
is recyclable. Dispose of the packaging in an
environmentally friendly manner and make it available
for the recyclable material collection-service.
After 5 seconds the
screen will display
“-CAL”
Short press the function button to turn on or off the
automatic calibration function
Long press the
function button to
confirm and enter the
hundreds digit setting
Press the function
button to adjust
the value
Press the function
button to adjust the
value
In the off state,
long press the
function key
Do not let go,
continue to
press and hold
After the countdown is
complete, the device
turns on
Entering the
200-second
countdown, the carbon
dioxide concentration
value is being
calibrated at this time
Release function key
Release
function key
The screen will display as
follows within 2 seconds
Long press the function
button to confirm and
enter the thousands
digit setting
Press the function
button to adjust
the value
Double-click the
function button to
enter the setup
mode
Press the function
button to adjust
the value
Long press the
function button to
confirm, and then
turn the buzzer sound
on or off
Long press the function
button to exit the setting
mode
Long press the
function but ton,
Confirm and enter
the setting of
automatic calibration
state
Long press the
function but ton to
confirm and enter the
tens digit setting
Note:
Lanyard hole
Air Vent
Input Port
Temperature and humidity sensor
Sound Alert
Function button
Air Detector
EN
Power on
Note: During the calibration of carbon dioxide value, you
must put the device in a well-ventilated place, and make
sure that no one is close to it, so as not to interfere with the
calibration effect.
Made in China
1 year warranty against quality issues caused by any manufacturing
defect or defective workmanship,but excludes disposable batteries or
damage caused by accident, neglect, misuse, alteration,
contamination, or abnormal conditions of operation or handling.
Do not expose this product to water and dust, nor place it in a high temperature
environment exceeding 70°C, and keep it away from fire.
Do not expose this product directly to avoid danger.
The device is a precision measuring instrument, and it is not allowed to disassemble it
without authorization.
Please charge the device with a charging plug that meets the specifications,
otherwise the internal parts may be damaged.
The charging cable and charging plug must support the relevant fast charging
protocol at the same time in order to realize fast charging.
When charging, due to the heating of the charging circuit and the battery, the
temperature and humidity value may be 3°C ~ 5°C higher than the normal value. To
obtain an accurate temperature and humidity measurement value, please read it after
the device cools down to room temperature.
If you do not use this device for a long time, it will take about 20 minutes for the
internal sensor to warm up when rebooting.
If you want to stay out of use for a long time, please charge the device first, then turn
it off and put it away.
Green
Yellow
Red
Green
Yellow
Red
If there is no keystroke operation within 5 minutes,
the device automatically enters power-saving
mode. Press function button to wake up it.
If the product resets the alarm
value, when the carbon dioxide
concentration exceeds the alarm
value, the red indicator bar starts
to flash with alarm sounds.
In the initial state, when the
carbon dioxide concentration
is 700~1499ppm, the yellow
indicator bar flashes,
indicating alert.
In the initial state, when the
carbon dioxide concentration
is above 1500ppm, the red
indicator bar flashes,
indicating danger (in the
initial default state, there is
an audible alarm).
When the carbon dioxide concentration is 400~699ppm,
the green indicator bar flashes, indicating that the carbon
dioxide concentration is at a low level.
During the setting process, if there is no keystroke operation
within 15 seconds, the device will automatically save the current
setting operation and exit.
After the sound function is turned on, short-press the function key
when the over-standard alarm is triggered, and the alarm will stop. But
when the value is lower than the alarm value and rises to exceed it
again, it will trigger the alarm again.
short press to turn on/off
the sound
PTH-10C
Bi, Bi, Bi……
EN 01 EN 02 EN 03
EN 05EN 04 EN 06 EN 07
EN 08
Carbon Dioxide: 400~5000 ppm [± ( 50ppm + 5%) ]
CO
2 Sound Alarm Range: (default) 1500 ppm
Battery: Built-in lithium ion polymer battery (3.7V, 1000mAh)
Input: Type-C, DC 5V ~ DC 24V (Max)
Fast charging protocol: QC2.0, PD3.0, AFC, USB C UFP (BC1.2 DCP CDP
SDP) and other common fast charging protocols
Storage Temperature: -10℃ ~ 55℃ / 14°F ~ 131°F
Product Size: 76mm × 70mm × 30mm (2.99 in × 2.75 in × 1.18 in)
Packing List:
PTH-10C × 1; Type-C Cable × 1; lanyard × 1; Users Manual × 1
The carbon dioxide measurement function and over-standard alarm
provided by this product are for reference only and cannot be used
as the sole basis.
During daily use, pay attention to safety and keep good ventilation
at all times to avoid danger!
Carbon dioxide
concentration
Shut
Open
Screen display and button
Press function button
Customize Sound Alarm Value
Turn on and off the automatic
calibration
Turn on and off the alarm sound
Long press function button
Calibrating CO2 measurements manually
Light Indication Alert
Buzzer Alert
Battery Capacity
Light Indicat
ion
Alert
Electrical products must not be thrown out with domestic
waste. They must be taken to a communal collecting point
for environmentally friendly disposal in accordance with
local regulations. Contact your local authorities or
stockiest for advice on recycling. The packaging material
is recyclable. Dispose of the packaging in an
environmentally friendly manner and make it available
for the recyclable material collection-service.
After 5 seconds the
screen will display
“-CAL”
Short press the function button to turn on or off the
automatic calibration function
Long press the
function button to
confirm and enter the
hundreds digit setting
Press the function
button to adjust
the value
Press the function
button to adjust the
value
In the off state,
long press the
function key
Do not let go,
continue to
press and hold
After the countdown is
complete, the device
turns on
Entering the
200-second
countdown, the carbon
dioxide concentration
value is being
calibrated at this time
Release function key
Release
function key
The screen will display as
follows within 2 seconds
Long press the function
button to confirm and
enter the thousands
digit setting
Press the function
button to adjust
the value
Double-click the
function button to
enter the setup
mode
Press the function
button to adjust
the value
Long press the
function button to
confirm, and then
turn the buzzer sound
on or off
Long press the function
button to exit the setting
mode
Long press the
function but ton,
Confirm and enter
the setting of
automatic calibration
state
Long press the
function but ton to
confirm and enter the
tens digit setting
Note:
Lanyard hole
Air Vent
Input Port
Temperature and humidity sensor
Sound Alert
Function button
Air Detector
EN
Power on
Note: During the calibration of carbon dioxide value, you
must put the device in a well-ventilated place, and make
sure that no one is close to it, so as not to interfere with the
calibration effect.
Made in China
1 year warranty against quality issues caused by any manufacturing
defect or defective workmanship,but excludes disposable batteries or
damage caused by accident, neglect, misuse, alteration,
contamination, or abnormal conditions of operation or handling.
Do not expose this product to water and dust, nor place it in a high temperature
environment exceeding 70°C, and keep it away from fire.
Do not expose this product directly to avoid danger.
The device is a precision measuring instrument, and it is not allowed to disassemble it
without authorization.
Please charge the device with a charging plug that meets the specifications,
otherwise the internal parts may be damaged.
The charging cable and charging plug must support the relevant fast charging
protocol at the same time in order to realize fast charging.
When charging, due to the heating of the charging circuit and the battery, the
temperature and humidity value may be 3°C ~ 5°C higher than the normal value. To
obtain an accurate temperature and humidity measurement value, please read it after
the device cools down to room temperature.
If you do not use this device for a long time, it will take about 20 minutes for the
internal sensor to warm up when rebooting.
If you want to stay out of use for a long time, please charge the device first, then turn
it off and put it away.
Green
Yellow
Red
Green
Yellow
Red
If there is no keystroke operation within 5 minutes,
the device automatically enters power-saving
mode. Press function button to wake up it.
If the product resets the alarm
value, when the carbon dioxide
concentration exceeds the alarm
value, the red indicator bar starts
to flash with alarm sounds.
In the initial state, when the
carbon dioxide concentration
is 700~1499ppm, the yellow
indicator bar flashes,
indicating alert.
In the initial state, when the
carbon dioxide concentration
is above 1500ppm, the red
indicator bar flashes,
indicating danger (in the
initial default state, there is
an audible alarm).
When the carbon dioxide concentration is 400~699ppm,
the green indicator bar flashes, indicating that the carbon
dioxide concentration is at a low level.
During the setting process, if there is no keystroke operation
within 15 seconds, the device will automatically save the current
setting operation and exit.
After the sound function is turned on, short-press the function key
when the over-standard alarm is triggered, and the alarm will stop. But
when the value is lower than the alarm value and rises to exceed it
again, it will trigger the alarm again.
short press to turn on/off
the sound
PTH-10C
Bi, Bi, Bi……
EN 01 EN 02 EN 03
EN 05EN 04 EN 06 EN 07
EN 08
Carbon Dioxide: 400~5000 ppm [± ( 50ppm + 5%) ]
CO
2 Sound Alarm Range: (default) 1500 ppm
Battery: Built-in lithium ion polymer battery (3.7V, 1000mAh)
Input: Type-C, DC 5V ~ DC 24V (Max)
Fast charging protocol: QC2.0, PD3.0, AFC, USB C UFP (BC1.2 DCP CDP
SDP) and other common fast charging protocols
Storage Temperature: -10℃ ~ 55℃ / 14°F ~ 131°F
Product Size: 76mm × 70mm × 30mm (2.99 in × 2.75 in × 1.18 in)
Packing List:
PTH-10C × 1; Type-C Cable × 1; lanyard × 1; Users Manual × 1
The carbon dioxide measurement function and over-standard alarm
provided by this product are for reference only and cannot be used
as the sole basis.
During daily use, pay attention to safety and keep good ventilation
at all times to avoid danger!
Carbon dioxide
concentration
Shut
Open
Screen display and button
Press function button
Customize Sound Alarm Value
Turn on and off the automatic
calibration
Turn on and off the alarm sound
Long press function button
Calibrating CO2 measurements manually
Light Indication Alert
Buzzer Alert
Battery Capacity
Light Indicat
ion
Alert
Electrical products must not be thrown out with domestic
waste. They must be taken to a communal collecting point
for environmentally friendly disposal in accordance with
local regulations. Contact your local authorities or
stockiest for advice on recycling. The packaging material
is recyclable. Dispose of the packaging in an
environmentally friendly manner and make it available
for the recyclable material collection-service.
After 5 seconds the
screen will display
“-CAL”
Short press the function button to turn on or off the
automatic calibration function
Long press the
function button to
confirm and enter the
hundreds digit setting
Press the function
button to adjust
the value
Press the function
button to adjust the
value
In the off state,
long press the
function key
Do not let go,
continue to
press and hold
After the countdown is
complete, the device
turns on
Entering the
200-second
countdown, the carbon
dioxide concentration
value is being
calibrated at this time
Release function key
Release
function key
The screen will display as
follows within 2 seconds
Long press the function
button to confirm and
enter the thousands
digit setting
Press the function
button to adjust
the value
Double-click the
function button to
enter the setup
mode
Press the function
button to adjust
the value
Long press the
function button to
confirm, and then
turn the buzzer sound
on or off
Long press the function
button to exit the setting
mode
Long press the
function but ton,
Confirm and enter
the setting of
automatic calibration
state
Long press the
function but ton to
confirm and enter the
tens digit setting
Note:
Lanyard hole
Air Vent
Input Port
Temperature and humidity sensor
Sound Alert
Function button
Air Detector
EN
Power on
Note: During the calibration of carbon dioxide value, you
must put the device in a well-ventilated place, and make
sure that no one is close to it, so as not to interfere with the
calibration effect.
Made in China
1 year warranty against quality issues caused by any manufacturing
defect or defective workmanship,but excludes disposable batteries or
damage caused by accident, neglect, misuse, alteration,
contamination, or abnormal conditions of operation or handling.
Do not expose this product to water and dust, nor place it in a high temperature
environment exceeding 70°C, and keep it away from fire.
Do not expose this product directly to avoid danger.
The device is a precision measuring instrument, and it is not allowed to disassemble it
without authorization.
Please charge the device with a charging plug that meets the specifications,
otherwise the internal parts may be damaged.
The charging cable and charging plug must support the relevant fast charging
protocol at the same time in order to realize fast charging.
When charging, due to the heating of the charging circuit and the battery, the
temperature and humidity value may be 3°C ~ 5°C higher than the normal value. To
obtain an accurate temperature and humidity measurement value, please read it after
the device cools down to room temperature.
If you do not use this device for a long time, it will take about 20 minutes for the
internal sensor to warm up when rebooting.
If you want to stay out of use for a long time, please charge the device first, then turn
it off and put it away.
Green
Yellow
Red
Green
Yellow
Red
If there is no keystroke operation within 5 minutes,
the device automatically enters power-saving
mode. Press function button to wake up it.
If the product resets the alarm
value, when the carbon dioxide
concentration exceeds the alarm
value, the red indicator bar starts
to flash with alarm sounds.
In the initial state, when the
carbon dioxide concentration
is 700~1499ppm, the yellow
indicator bar flashes,
indicating alert.
In the initial state, when the
carbon dioxide concentration
is above 1500ppm, the red
indicator bar flashes,
indicating danger (in the
initial default state, there is
an audible alarm).
When the carbon dioxide concentration is 400~699ppm,
the green indicator bar flashes, indicating that the carbon
dioxide concentration is at a low level.
During the setting process, if there is no keystroke operation
within 15 seconds, the device will automatically save the current
setting operation and exit.
After the sound function is turned on, short-press the function key
when the over-standard alarm is triggered, and the alarm will stop. But
when the value is lower than the alarm value and rises to exceed it
again, it will trigger the alarm again.
short press to turn on/off
the sound
PTH-10C
