Technical Data - TESTO 835 Mode D'emploi

14 4. Techical data

4. Technical data

Feature
Infrared measurement
Lens
Spectral range
Laser type
Output / wavelength
Class / standard
Measuring range
Resolution
Accuracy
(at +23 °C / 73.4 °F,
±1 digit)
Measuring rate
Contact measurement
Sensor type
Measuring range
Resolution
Accuracy (±1 digit)
Measuring rate
Humidity measurement (only H1)
Measuring range
Resolution
Accuracy (±1 digit)
Measuring rate
General
Operating temperature
Transportation/storage
temperature
Voltage supply
Battery life
Housing
Dimensions
Weight
EC Directive
Warranty
Values
50:1
8 to 14 μm
4 point laser
< 1 mW / 8 to 14 μm
2 / EN 60825 1:2007
T1 / H1: 30 to +600 °C / 22 to +1112 °F
T2: 10 to +1500 °C / 14 to +2732 °F
0.1°C/°F
T1 / H1: ±2.5 °C / ±4.5 °F ( 30.0 to 20.1 °C / 22.0 to 4.1 °F)
±1.5 °C / ±2.7 °F( 20.0 to 0.1 °C / 4.0 to 31.8 °F)
±1.0 °C/ ±1.8 °F (0.0 to +99.9 °C / 32.0 to +211.9 °F)
±1 % of the measuring value (remaining range)
T2: ±2.0 °C / ±3.6 °F or ±1 % of the measuring value
(the higher value applies)
0.5 s
Thermocouple type K (connectable)
T1 / H1: 50 to +600 °C / 58 to +1112 °F
T2: 50 to +1000 °C/ 58 to +1832 °F
0.1 °C/°F
± (0.5 °C / 0.9 °F + 0.5 % of the measuring value)
0.5 s
0 to 100 % RH (at 20 to +50 °C) /
0.1 %RH (humidity)
0.1 °C/°F (temperature)
0.1 °C td/°F td (dew point temperature)
± 2 %RH
± 0.5 °C/ 0.9 °F
0.5 s
20 to +50 °C / 4 to 122 °F
30 to +50 °C / 22.0 to 122 °F
3 x battery type AA or via USB port (only in conjunction with EasyClimate software)
25 h (typical at 25 °C / 77 °F without laser and display illumination)
10 h (typical at 25 °C / 77 °F without display illumination)
ABS/PC
193 x 166 x 63 mm / 7.6 x 6.5 x 2.5"
T1 / T2: 514 g / 1.13 lbs (incl. batteries)
H2: 527 g / 1.16 lbs (incl. batteries)
2014/30/EC
2 years, warranty terms: see www.testo.com/warranty
4 to +122 °F)