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testo 835-T1 - 4 point Infrared Thermometer

testo 835-T1
testo 835-T1
t835-T1application
The testo 835-T1 is a practical infrared thermometer designed for medium-distance, non-contact temperature measurement up to 600 °C. Featuring 4-point laser targeting, 50:1 optics, and external probe connectivity, it provides precise and safe temperature readings, making it ideal for HVAC, heating systems, and industrial quality control.
  • Reliable temperature measurement up to 600°C – Perfect for industrial and HVAC applications.
  • Safe & Precise Distance Measurement – 50:1 optics and 4-point laser ensure accuracy from afar.
  • Built-in memory for up to 200 readings – Store and analyse data with free-to-download software.
  • Ideal for HVAC & Industrial Applications – Perfect for monitoring walls, troubleshooting heating and air conditioning, and quality control.
The testo 835-T1 Infrared Thermometer is an essential tool for professionals needing safe, non-contact temperature measurement in HVAC, heating, and industrial applications. With a maximum temperature range of 600 °C, it is perfect for monitoring wall temperatures, troubleshooting heating and cooling systems, and ensuring product quality.

The 4-point laser marker clearly defines the measurement area, eliminating errors and ensuring precision. The 50:1 optics allow for accurate readings even from a distance, making it easy to measure hard-to-reach or small objects. The integrated emissivity table allows for correct calibration based on surface properties, optimising accuracy.

Additionally, the testo 835-T1 supports contact temperature measurements via an external probe, allowing for flexible thermal analysis. The device also includes adjustable threshold alarms, min/max value storage, and a hold function to make temperature recording easier.

With an intuitive user menu, backlit display, and a memory capacity of up to 200 readings, the testo 835-T1 is designed for efficiency and ease of use. The free-to-download "EasyClimate" software allows for quick and convenient data analysis.

Optional accessories, including a tripod and robust carry case, are available to customise the device for professional use. Whether for HVAC, quality control, or industrial applications, the testo 835-T1 ensures accurate and reliable temperature measurement with ease.

Temperature - TC Type K (NiCr-Ni)

Measuring range
-50 to +600 °C
Accuracy
±(0.5 °C + 0.5 % of mv)
Resolution
0.1 °C

Temperature - Infrared

Measuring range
-30 to +600 °C
Accuracy
±2.5 °C (-30.0 to -20.1 °C)
±1.0 °C (0.0 to +99.9 °C)
±1 % of mv (Remaining Range)
±1.5 °C (-20.0 to -0.1 °C)
Infrared resolution
0.1 °C

General technical data

Weight
514 g
Dimensions
193 x 166 x 63 mm
Operating temperature
-20 to +50 °C
Product-/housing material
ABS + PC
Emissivity table
20 values
Laser spot
on / off
Standards
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
Memory
200 measuring values
Storage temperature
-30 to +50 °C
*disabled for continuous measurement and USB connection

testo 835-T1 - 4 point Infrared Thermometer, 4-point lasermarking, measurement data administration, incl. batteries and calibration protocol

Air probes

Food probes

Surface probes

Thermocouples

immersion/ penetration probes

Contact Us
Testo Ltd
Newman Lane
GU34 2URAlton
HampshireUnited Kingdom
01420 544433

Opening hours

Monday-Thursday: 8:30am - 17:00pmFriday: 8:30am - 16:00pm
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