User Instructions

16
Voltage sag, short-
term interruption a
nd voltage change o
n the power input l
ine
GB/T 17626.11
<5%
U
T
for 0.5 cycle
(On
U
T
, >95% dip)
40%
U
T
for 5 cycle
(On
U
T
, >60% dip)
70%
U
T
for 25 cycle
(On
U
T
, >30% dip)
<5%
U
T
for 5s
(On
U
T
, >95% dip)
Not applicable Not applicable
Power frequency
magnetic field
（50/60Hz）
GB/T 17626.8
3A/m 3A/m,50/60Hz
The power frequency
magnetic field should
have the level
characteristics
of the
power frequency
magnetic field in a
typical place in a
typical commercial or
hospital environment.
Note：U
T
refers to the AC network voltage before the test voltage is applied
Guidelines and manufacturer's declaration-electromagnetic immunity
The TE-
79 infrared forehead thermometer is expected to be used in the following
electromagnetic environment. The purchaser or user of the TE-79 infrared forehead thermometer
should ensure that it is used in this electromagnetic environment:
Immunity test
IEC 60601 test
level
Coincidence
level
Electromagnetic environment-guidelines
Radio
frequency
conduction
GB/T 17626.6
3 V（Effective
value）
150 kHz～80 MHz
3 V/m
Not
applicable
3 V/m
Portable and mobile RF communication
equipment should not be used closer to any
part of the TE-
79 infrared forehead
thermometer than the recommended
isolation distance, in
cluding cables.
The distance should be calculated by the
formula corresponding to the transmitter
frequency.
Recommended isolation distance
d =
P2.1