Introducing the Testo 835-H1 infrared thermometer
The Testo 835-H1 infrared thermometer is a temperature measuring device widely used in applications. This is a product of Testo. One of the leading manufacturers in the field of measurement and testing technology. Infrared thermometer with integrated humidity measurement. Gun-shaped design, infrared temperature gun with humidity measurement function.
This is one of the most versatile infrared thermometers in its class. It is useful for monitoring the temperature of smaller or moving objects. With a built-in humidity sensor, you can measure both temperature and humidity. Image of Testo 835-h1 infrared thermometer hygrometer
Ability to access hard-to-reach locations. Helps you measure extremely hot materials at a safe distance.
Capable of measuring various surfaces (e.g. metal, glass, ceramic) up to 2700°F at the push of a button without the need for adjustment or recalibration. Aim, shoot, measure!

Features of Testo 835-H1 infrared thermometer
- Infrared temperature measurement : Capable of measuring temperature remotely through infrared technology. Allows users to measure without direct contact with the object.
- Air Humidity Measurement : Capable of measuring the humidity of the surrounding air. Helps users monitor and adjust appropriate environmental conditions.
- Large display : The device is equipped with a large, easy-to-read LCD display. Allows users to monitor measurement data clearly and easily.
- Wide measuring range and accuracy : Measure temperature from -30°C to +600°C and high accuracy. Ensure accuracy and reliability during measurement.
- Data storage function : Can store measurement data for monitoring and analysis.
- Robust and easy to use design : Compact, robust design and easy handling. The Testo 835-H1 is an ideal instrument for industrial and research applications.
Measures air temperature and has a built-in humidity sensor to measure humidity. Measures temperature and humidity on the wall.
Monitoring and inspection of air conditioning and ventilation systems, service and inspection of industrial systems. Ensuring consistently high quality in the production process.
Infrared measurement technology, providing first-class results even at long distances. Useful for monitoring the temperature of small, moving, hard-to-reach or extremely hot objects. Applicable for industrial and commercial applications.
Used to perform contact temperature measurements. There is a connection point for a variety of optional temperature sensors. The temperature sensor can also be used to automatically measure the emissivity of a particular surface.
Features the Testo 835-H1 infrared thermometer
- Humidity module
- Distance to measuring point D:S is 50: 1
- Laser 4 locks target more accurately
- Accuracy up to 1% of reading
- High temperature up to +600 ° C
- Emissivity adjustable from 0.10 to 1.00 (0.01 steps)
- Precise surface measurement with emissivity adjustment
- Allows connection of K-type temperature probes to other probes
- Simple operation, easy to use
- Data recording, analysis and management via software
Testo 835-H1 infrared thermometer specifications
With the Testo 835 H1 you have the ability to identify thermal bridges (on walls, floors and ceilings where hot air passes, mainly due to structural faults) for early detection or identification of structural defects, energy loss and places at risk of mould formation.
Technical data infrared thermometer testo 835-H1
- Storage temperature -30 to +50 ° C
- Operating temperature -20 to +50 ° C
- Dimensions 193 x 166 x 63 mm
infrared
- Measuring range -30 to +600 ° C
- Accuracy ± 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 measured value. (remaining range) - Resolution 0.1 ° C
Connect the K type temperature probe
- Measuring range -50 to +600 ° C
- Accuracy ± (-0.5 °C + 0.5% of measured value.)
- Resolution 0.1 ° C
Technical data of infrared thermometer Testo 835 H1
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) |
±1.5°C (-20.0 to -0.1°C) | |
±1.0°C (0.0 to +99.9°C) | |
± 1% mv (Remaining range) | |
Infrared resolution | 0,1 ° C |
Emission | 0.10 to 1.00 (0.01 steps) |
Measure the marker | 4 point laser |
Distance to measurement point | 50:1 (regarding 2.0 m distance for measuring normal object) + sensor opening diameter (24 mm) |
Spectral range | 8 to 14 μm |
Humidity – Capacitance | |
Measuring range | 0 to 100% RH |
Accuracy | ± 2% RH |
± 0,5 ° C | |
Resolution | 0,1 ° C |
0,1% RH | |
0,1 ° Ctd |
Advantages of the testo 835 infrared thermometer
- Quickly detect thermal bridges by scanning the wall, even at a distance
- Measure dew point, dew point distance and aw (surface moisture) values to assess room and wall conditions
- Save data for documentation and compare with previous measurements to evaluate corrective actions
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