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1. General information
Please read this document through carefully and familiarise yourself with the
operation of the product before using it. Keep this documentation to hand so that
you can refer to it when necessary.
2. Safety information
Avoid electrical hazards:
Do not conduct measurements on or near live parts!
Adhere to the product safety/warranty requirements:
Always operate the instrument properly and according to its intended purpose
and within the parameters specified. Do not use force.
Do not store with solvents (e.g. acetone).
Only open the instrument if this is expressly described in the documentation for
the purpose of maintenance or repair work.
Take batteries out of the instrument immediately if they are not functioning
properly or if they show signs of overheatingl.
Remove all batteries from the instrument if it is to remain unused for a longer
periodl.
Ensure correct disposal:
Dispose of defective rechargeable batteries and spent batteries at the collection
points provided.
Send the instrument directly to us at the end of its life cycle. We will ensure that it
is disposed of in an environmentally friendly manner.
3. Intended use
The testo 835 is a compact infrared thermometer for non-contact measurement of
surface temperatures. When a probe is connected, a contact measurement can also
be carried out. The H2 version also has an integrated humidity probe for measuring
ambient humidity.
The product should not be used in the following areas:
· Potentially explosive areas
· For diagnostic measurements in the medical sector