Technical Data - testo 835 Manual De Instrucciones

4. Techical data

4. Technical data

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