TESTO 831 红外线温度计/ LCD显示/ 手持式/ 非接触 (-30°C~210°C)

Temperature - Infrared
Measuring range: -30 to +210 °C
Accuracy:  ±1.5 °C or ±1.5 % of mv (-20 to +210 °C)
                 ±2 °C or ±2 % of mv (Remaining Range)
Resolution: 0.1 °C
Emissivity: Adjustable 0.1 to 1.0
Distance to measurment spot: 30:1 (typical at a distance of 0.7 m to the measurement object) 24 mm @ 700 mm (90%)
Spectral range :8 ... 14 μm

General technical data    
Protection class: IP30
Measuring rate: 0.5 sec.
Battery type: 9V block battery, 6F22
Battery life:15 h
Display type: LCD
Display ligthing: illuminated
Storage temperature:  -40 to +70 °C
Weight:  200 g
Dimensions: 190 x 75 x 38 mm
Operating temperature: -20 to +50 °C
Included: testo 831 infrared thermometer, case, belt clip, batteries.