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YT-1
Infrared Thermometer
User Manual And Technical Instruction
Please read the user manual carefully and follow the instructions
before use. For date of manufacture, please refer to the packing.
14. Warranty card
Warranty card
Product name:
Infrared thermometer
Model:
YT-1
JIANGSU YUYUE MEDICAL EQUIPMENT & SUPPLY., LTD.
Manufacturing Address: YunYang Industrial Park
DanYang, Jiangsu Province, P.R. China, 212300
http://www.yuwell.com
Revision date:03MAR20
12. Product warranties
1. The thermometer is initially calibrated at the time
of manufacture.If at any time
Youquestion the accuracy of temperature
measurements, please contact customer service.
2.This product provides free maintenance service
for one year. If you need to provide circuit diagram,
necessary materials and maintenance of electrical
circuit for any problem, please contact the
manufacturer.
3. No free warranty service will be provided for the
faults caused by the following users:
1) failure caused by unauthorized disassembly and
modification of products.
2) failure caused by product drop.
3) failure caused by failure to operate according to
the instructions.
4)failure caused by lack of reasonable mainte-
nance.
5) damage caused by external force.
4.This product will not cause allergic reaction and
harm to human body during normal use.
13. Electromagnetic compatibility
information
Table 1-Compliance information for Emission test
Emission test
Compliance
Group 1
RF emissions
CISPR 11
RF emissions
CISPR 11
Class B
Immunity
test
Compliance
level
Electrostatic
disc harge
(ESD)
IEC 61000-4-2
Power frequency(50Hz)
magnetic field
IEC 61000-4-8
±8 kV contact
±15 kV air
30A/m
50Hz or 60Hz
Radiated RF EM fields
IEC 61000-4-3
10 V/m
80 MHz to 2.7 GHz
80% AM at 1kHz
Table 3-Test specifications for ENCLOSURE
PORT IMMUNITY to RF wireless communications
equipment
There is the potentia risk of radio frequency
interference between the device and other
devices. If there is, please find out the problems
and take the following measures:
(1) Turn off the device, and turn on again.
(2) Change the direction of the device.
(3)Keep the product away from the interferential
devices.
Table 2-Compliance information for Immunity test
Test
frequency
(MHz)
Band
a)
(MHz)
Service
a)
Modulation
b)
704-787
450
385
800-960
380-390
430-470
TETRA 400
GMRS 460,
FRS 460
LTE Band
13,17
GSM 800/900,
TETRA 800,
iDEN 820,
CDMA 850,
LTE Band 5
710
745
780
810
870
930
Pulse
modulation
b)
18 Hz
FM
±5 kHz
deviation
1 kHz sine
Pulse
modulation
b)
217 Hz
Pulse
modulation
b)
18 Hz
Test
frequency
(MHz)
Maximum
power
(MHz)
Distance
(m)
IMMUNITY
TEST LEVEL
(V/m)
450
385
5240
5500
5785
710
745
780
810
870
930
1720
1845
1970
2450
5100-5800 WLAN 802.11
a/n
5240
5500
5785
Pulse
modulation
b)
217 Hz
1,8
2
0,3
0,3
27
28
0,2 0,3 9
2 0,3 28
2 0,3 28
0,2
0,3 9
2 0,3 28
NOTE If necesary to achieve the IMMUNITY TEST
LEVEL, the distance between the transmitting
antenna and the ME EQUIPMENT or ME SYSTEM
may be reduced to 1 m. The 1 m test distance is
permitted by IEC61000-4-3.
displayed, Replace with 2 new AAA batteries ,
slide open the battery cover and remove old
batteries.Replace the batteries being sure to align
properly as indicated inside the battery compart-
ment.
2.Remove the battery from the product if it is not
required for extended periods of time in order to
avoid damage to the thermometer resulting from a
leaking battery.
3.To protect the environment, dispose of empty
batteries at appropriate collection sites according
to national or local regulations.
Portable RF communications equipment
(including peripherals such as antenna cables and
external antennas) should be used no closer than
30 cm (12 inches) to any part , including cables
specified by the manufacturer. Otherwise,
degradation of the performance of this equipment
could result.
This equipment might not offer adequate
protection to radio-frequency communication
services. The user might need to take mitigation
measures, such as relocating or re-orienting the
equipment.
When the instrument is in use, never put it near
other instruments or stack it on other
instrument.if you have to put it near other
Instrument or stacked other
instruments, please inspect and verify if the
instrument could run normally.
1.Battery replacement: When " " symbol is
1700-1990
2400-2570
GSM 1800;
TETRA 1900;
GSM 1900;
DECT;
LTE Band 1, 3,
4, 25; UMTS
Bluetooth,
WLAN,
802.11 b/g/n
RFID 2450,
LTE Band 7
1720
1845
1970
2450
Pulse
modulation
b)
217 Hz
Pulse
modulation
b)
217 Hz
a) For some services, only the uplink frequencies
are
included.
b) The carrier shall be modulated using a 50% duty
cycle square wave signal.
c) As an alternative to FM modulation, 50% pulse
modulation at 18 Hz may be used because while it
does not represent actual modulation, it would be
worst case.
1730207-0A