Intended Use; Technical Data; Initial Operation - TESTO 831 Mode D'emploi

8
Ensure correct disposal:
Dispose of defective rechargeable batteries and spent
batteries at the collection points provided.
Send the instrument directly to us at the end of its life cycle.
We will ensure that it is disposed of in an environmentally
friendly manner.

4. Intended Use

testo 831 is a compact infrared thermometer for the non-contact
measurement of surface temperatures.
Not suitable for diagnostic measurements in the medical
sector!

5. Technical Data

Feature
Parameter
Infrared measurement range
Infrared resolution
Infrared accuracy
(at 23°C/73°F)
+/- 1 digit
Emissivity
Infrared measurement rate
Optics (90% value)
Operating temperature
Transport / Storage temperature
Power supply
Battery life
Housing
Dimensions (LxHxB)
CE guideline
Laser
Laser type
Power
Wavelength
Class
Standard
1
the larger value applies
2
+ Opening diameter of the sensor (16mm / 0.6 in)

6. Initial Operation

Insert battery: See 9.1 Changing the battery.
-30 to +210°C / -22 to +410°F
±1.5°C / 1.8°F or 1.5% of reading (-20 to +210°C / -4 to +412°F)
±2.0°C / 3.6°F or 2.0% of reading (-30 to -20.1°C / -22 to -4°F)
30:1 (regarding the distance of
1,0 m to measuring object typically)
-20 to +50°C / -4 to +122°F
-40 to +70°C / -40 to +158°F
190 x 75 x 38 mm / 7.5 x 3.0 x 1.5 in
DIN NE 60825-1:2001-11
testo 831
°C / °F
0.1°C / 0.1°F
0.1 to 1.0 adjustable
0.5s
9V block battery
15 h
ABS
2014/30/EC
2 x laser
< 1 mW
645 to 660 nm
2
1
;
1
;
2