14
12. Technical specifications
Product Name
Clever Choice Duo
TM
Infrared Thermometer
Product Model
CLETEF-786
Applicable standard ASTM E 1965/EN 12470-5
Power Supply Mode Internal power supply
Operating Voltage
DC 3V
Battery Model
AAA x 2
Battery Life
Alkaline dry battery for around 20,000 measurements
Operating Mode
Continuous operating
Display
Segment LCD
Measure time
About 1 second
Latency Time
About 3 second
Measuring Range
Ear temperature:0.0°C–100.0°C (32.0°F–212.0°F)
Forehead temperature:32.0°C–42.2°C (89.6°F–
108.0°F)
Accuracy
(Laboratory)
Ear temperature
±0.2°C (±0.4°F) from 36.0°C-39.0°C/96.8°F-102.2°F
±0.3°C (±0.5°F) from 32.0°C-35.9°C/89.6°F-96.7°F
±0.3°C (±0.5°F) from 39.1°C-42.2°C/102.3°F-108.0°F
Forehead temperature
±0.3°C (±0.5°F) from 32.0°C-42.2°C/89.6°F-108.0°F
Resolution
0.1°C (0.1°F)
Memory
20 temperature readings
7
6. Sound and Backlight Information
No.
Range
Sounds
Backligh
t
Meaning
Ear temperature mode
1
0-37.4
℃
32.0
℉
-
99.4
℉
a long beep
Green
Acceptable
2
37.5
℃
-37.9
℃
99.5
℉
-100.3
℉
a long beep
Yellow
Elevated
3
38.0
℃
-100.0
℃
100.4
℉
-212.0
℉
6 short double and
half beeps
Red
Possible
high fever
Forehead temperature mode
4
32.0 -37.4
89.6 -99.4
a long beep
Green
Acceptable
5
37.5 -37.9
99.5 -100.3
a long beep
Yellow
Elevated
6
38.0 -42.2
100.4 -108.0
6 short double and
half beeps
Red
Possible
high fever
Notes:
1.
When the temperature is less than or equal to 37.4°C/99.4 ,
there will be a long beep with green backlight. This indicates that
the temperature is normal.
2.
When the temperature is between 37.5°C/99.5 to
37.9°C/100.3 , there will be a long beep with yellow backlight for
3 seconds. This indicates that the temperature is a little high. It
should be noted.
3.
When the temperature is more than or equal to 38.0°C/100.4 ,
there will be 6 short double and half beeps and the reading will
flicker with red backlight for 5 seconds. This indicates that you
may have a fever. Please consult your doctor if you are not sure.
