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Non-Contact Body IR Thermometer with 3 Color Alarm Backlight Display

 

OS-820D 

User Manual

Features: 

Two measurement modes: Human body
temperature and object surface
temperature

Data storage up to 34 temperature
records

3-color alarm backlight display: green,
orange and red

Product Introduction: 

This product is a handheld non-contact infrared 
thermometer,  with  two  possible  measurement 
modes: human body temperature measurement 
and  object  surface  temperature  measurement 
modes.  It features:  temperature data storage 
up  to  34  records,  high  temperature  alarming, 
temperature range indication based on different 
backlighting color, and auto shut-off. 

Product Description: 

1. LCD Display: indicate measured

temperature

2. Backlight button: turn on/off backlight

(Hold to change)

3. Left Button:  during the measurement

mode, page up the stored temperature
data records; activate the parameter
setting mode; or during the parameter
setting mode, navigate the settings
menu

4. Right Button:  during the measurement

mode, page down the stored
temperature data records; or during the
parameter setting mode, adjust
parameters.

5. Mode button: switch between

measurement modes or switch
between English and Chinese display.

6. IR sensor: point to the measuring object

during measurement

7. Trigger: start measurement and turn on

unit

8. Battery cover: open to change battery

Product Information: 

Product Storage Temperature 

-10-60⁰C (14-140⁰F)

Application Ambient Temperature 

10-40⁰C (50-104⁰F)

Battery Voltage 

2x AA (3V) Batteries, not included 

Product Weight 

122g 

Product Dimension 

145 x 80 x 40 mm 

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Summary of Contents for OS-820D

Page 1: ...lt setting for the temperature unit is in Celsius Please follow the below steps to change the temperature units to Fahrenheit Press and hold SET left button until you see F1 appear in bottom right corner of screen Press ADJ to switch from C Celsius to F Fahrenheit You should now see the temperature now displayed in F Fahrenheit Press trigger to go back to main screen Switching from surface tempera...

Page 2: ... measured temperature 2 Backlight button turn on off backlight Hold to change 3 Left Button during the measurement mode page up the stored temperature data records activate the parameter setting mode or during the parameter setting mode navigate the settings menu 4 Right Button during the measurement mode page down the stored temperature data records or during the parameter setting mode adjust par...

Page 3: ...ture Units from C to F F1 Press and hold SET left button until you see F1 appear in bottom right corner of screen While showing F1 Symbol in bottom right corner of the display press ADJ to switch between C and F Temperature Offset Setting F2 With F2 Symbol showing in bottom right corner of the display press ADJ to increase and MODE to decrease to adjust the temperature offset within the range of 5...

Page 4: ...to take one measurement The number on the button left corner shows the record number The backlight color indicates the different temperature range as follows Green Below 37 5 C 99 5 F Orange 37 5 C 38 C 99 5 100 4 F Red Above 38 C 100 4 F Data Record Management View Data Record Press SET left button and use ADJ right button to page up and down among the data records Delete Data Record Press and ho...

Page 5: ...aintenance Please follow the instruction manual for troubleshooting If the issue is not listed in the manual please contact our customer support Warning sign HI When using the thermometer for measuring body temperature the HI warning sign may come on The warning sign indicates the temperature measured exceeds the maximum allowed threshold 43 C 109 4 F Warning sign LO When using the thermometer for...

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