testo 835-H1 - Infrared thermometer with surface moisture measurement

Order-Nr.  0560 8353

Rs  46,180.00
GST and accessories extra 
  • Measure temperature, surface moisture and dew point with only one device

  • Four-Point-Laser and 50:1 Optics for precise measurements even over long distances

  • Easy and comfortable to use: easy-to-follow menu guide

  • Saves up to 200 readings

Non-contact temperature and moisture measurements –with only one device. The testo 835-H1 infrared thermometer not only measures the temperature but has an intergrated moisture sensor that allows you to measure surface moisture too.


Product Description

With testo 835-H1, you can perform temperature and surface moisture measurements on walls, monitor and check air conditioning and ventilation systems, service and inspect industrial system to ensure constant high levels of quality in production processes are maintained. The testo 835-H1 is an ideal all-round device for a wide range of industrial and commercial applications.

What the testo 835-H1 infrared thermometer and surface moisture meter can do

-  Measure the surface temperature and relative humidity and check the dew point and surface moisture
-  Help to detect mold in buildings before it’s too late
-  Carry out measurements on small, moving or hard-to-reach objects, accurately and safely
Benefit from state-of-the-art technology and easy handling
-  4-Point-Laser: shows the exact measuring zone, effectively preventing wrong measurements
-  50:1 optics that provide you with excellent surface temperature measurements even over greater distances (distance 5 m  = 10cm measurement spot)
-  Adjustable degree of emission for measuring a wide variety of different surfaces
-  Connectivity for temperature sensors: for additional contact measurements for materials with low degree of emission possible –simply connect your optionally available temperature sensor
-  Easy-to-use, easy-to-follow menu guide thanks to icons and joystick
-  Generate measuring points and save up to 200 measurements
-  Define individual alarm thresholds, acoustic and optical alarm
-  Show min/max values
-  Backlit display

Delivery Scope

testo 835-H1 infrared thermometer and surface moisture meter has a moisture measuring function and 4-Point laser marking, measurement data management, PC software, moisture module, batteries, calibration protocol.

Technical Data

Temperature - TC Type K (NiCr-Ni)

Measuring range

-50 to +600 °C


±(0.5 °C + 0.5 % of mv)


0.1 °C

Temperature - Infrared

Measuring range

-30 to +600 °C


±2.5 °C (-30.0 to -20.1 °C)

±1.5 °C (-20.0 to -0.1 °C)

±1.0 °C (0.0 to +99.9 °C)

±1 % of mv (Remaining Range)

Infrared resolution

0.1 °C

Humidity - Capacitive

Measuring range

0 to 100 %RH


±2 %RH

±0.5 °C


0.1 °C

0.1 %RH

0.1 °Ctd

General technical data


514 g


193 x 166 x 63 mm

Operating temperature

-20 to +50 °C

Product-/housing material


Emissivity table

20 values

Laser spot

on / off


EN 61326-1:2006

Alarm function

audible; Optical

Auto-off backlight

30 s*

Auto-off instrument

120 s*

Battery type

3 batteries type AA (or USB operating with PC-Software)

Battery life

25 h (typical 25°C without laser and backlight) 10 h (typical 25°C without backlight)

Display type

Dot Matrix


200 measuring values

Storage temperature

-30 to +50 °C

*disabled for continuous measurement and USB connection


Surface probes

Rs  46,180.00
GST and accessories extra