V1.2
15
2
Model
YK-IRT1
、
YK-IRT2
、
YK-IRT3
、
YK-IRT4
3
Product Categories
Internal power supply equipment BF type application part
4
Units of measurement
℃
&
℉
key to switch
5
Range
34.0
℃～
43.0
℃
（
Apply to ear temperature and forehead temperature
）
6
Range Indicator
<34.0
℃
Show Lo
，
>43.0
℃
Show Hi
7
Accuracy
< 35.0
℃
and >42.0
℃
: ±0.3
℃
35.0
℃
~ 42.0
℃
: ±0.2
℃
（
Apply to ear temperature and forehead temperature
）
8
Measuring position
Ear / forehead auto-sensing
9
Measuring interval
About 6 s
10
The
ambient
temperature exceeds
≧
40.0
℃：
show Hi
< 10.0
℃：
show Lo
11
Buzzer frequency
About 4kHz
12
Automatic shut-down 60 seconds after no operation
13
Low Voltage Tips
<2.4±0.4V
，
Battery symbol flashes
14
Memory function
Save last measured 12 memories (without memory Lo / Hi)
15
Operating Voltage
DC 2.4
～
3.3V
16
Working current
Standby
：
< 2uA
，
Power
：
<5 mA (VDD=3.0V)Without
backlight
17
battery
2×1.5V AAA
18
Tri-color backlit
≤37.5
℃
Green
37.6
℃～
38.0
℃
Yellow
≥38.1
℃
Red
19
Normal
operating
conditions
Ambient temperature
：
15
℃～
40
℃
Relative humidity
：
30%
～
85%
Atmospheric pressure
：
70kPa
～
106kPa
20
Storage
and
transportation
temperature
Ambient temperature
：
-20
℃～
55
℃
Relative humidity
：
15%
～
93%
Atmospheric pressure
：
50kPa
～
105kPa
21
Size
120mm×40mm×30mm
（
L×W×H
）
22
N.W.
About 50g
23
Duration of use
5 years
24
the time required for About 30min
