01 02
03
04 05
04
Battery Level
Buzzer
TYPE-C Charging
(5 V⎓1 A)
Hanging Hole
Green：400 ~ 700 ppm
Yellow：700 ~ 1500 ppm
Red：1500 ~ 5000 ppm
Temperature Humidity
Carbon Dioxide
Product Introduction
Specification
Operation
Carbon Dioxide Range: 400 ~ 5000 ppm
Temperature Range: -10°C ~ 40°C (±1℃) / 14℉ ~ 104℉ (±1.8℉)
Humidity Range: 20 ~ 80 % RH
Produce Size：98 × 90 × 40 mm
Power Supply：Buit-in Lithium Battery (2400mAh)
Input：5 V⎓1 A
Packing List：
PTH-9C × 1；User Manual × 1；USB Cable × 1
Customize Sound Alarm Value Limited Warranty
1 year warranty against any manufacturing defects or faulty
workmanship. This warranty does not cover fuses, dispos-
able batteries or damage from accident, neglect, misuse,
alteration, contamination or abnormal conditions of
operation or handling.
WEEE Directive 2012/19/EU At the end of the product
life, dispose of the instrument & batteries in a
corresponding recycling centre. Do not dispose of
the unit with the usual domestic refuse. Do not burn
the product.
Made in China
Note：
1.Do not expose this product to water, nor place it in a high
temperature environment exceeding 60°C, and keep it away
from fire;
2.This product is a precision measuring instrument, and it is
not allowed to disassemble the machine without authoriza-
tion;
3.Can not be placed in an environment full of dust or
corrosive gas for measurement；
4.When measuring the environment in the car, please do not
expose this product directly to the sun for a long time.
CARBON DIOXIDE
DETECTOR
PTH-9C
USER MANUAL
Note: When the carbon dioxide concentration value exceeds
1500ppm，and when the buzzer is on，the buzzer will sound an
alarm. Long press ” ”button to stop the alarm.
After powering off, long press the 3 buttons to enter calibration
mode then the device begins to count down 200s on the screen.
Pay attention to doing it outdoors without people.
Long press it to turn on or off.
Double click it to custom CO
2
alarm threshold.
Long press it to turn on or off
the buzzer.
Press to turn on/off the backlight in the normal mode, or to
minus one in the setting mode.
Press to turn on/off the backlight in the normal mode, or to
minus one in the setting mode.
Press to switch °C or ℉ in the
normal mode, or to plus one in
the setting mode.
Tips:
You can customize the sound alarm value for this meter.
How to set the sound alarm value?
Double click " " to enter the setting.Then click " " or
" ".Click " " to confirm setting and go back to home page.
