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General| Emissivity | 0.1 to 1.0 adjustable |
|---|---|
| Resolution | 0.1 °C |
| Spectral Range | 8 to 14 µm |
| Temperature Range | -30 to +500 °C |
| Optics | 50:1 |
| Response Time | 500 ms |
Adherence to product safety and warranty requirements for proper operation and maintenance.
Guidelines for the proper disposal of batteries and the instrument at its end of life.
Warning against conducting measurements on or near live electrical parts.
Identification of key components of the testo 835 infrared thermometer including sensors and interfaces.
Explanation of the functions assigned to the instrument's control keys for operation.
Instructions for correctly inserting the AA batteries into the instrument.
Procedure for selecting the user interface language for the measuring instrument.
Guidance on connecting a temperature probe to the probe socket for measurements.
Steps for switching the testo 835 instrument on and off.
How to change the displayed measurement parameters on the instrument's screen.
Detailed steps for conducting IR and contact measurements using the testo 835.
Procedure for accessing and adjusting various instrument settings via the settings menu.
Methods for setting the emissivity level for accurate infrared temperature measurements.
Functions for saving, managing, and deleting measurement data and locations.
Setting alarm thresholds for different measurement channels to monitor temperature limits.
Instructions for removing used batteries and inserting new ones.
Guidelines for cleaning the instrument housing and the IR lens.
Details on the visual measurement process and best practices for accurate IR readings.
Information on the required acclimatization period for infrared measurements after temperature changes.
Explanation of emissivity and its impact on IR measurement accuracy for different materials.
A table listing typical emissivity values for various materials used in measurements.
Understanding the relationship between the distance to the object and the measured spot size.
