Development and manufacturing of non-
destructive testing equipment and system
Hardness tester NOVOTEST T-UD3
49
12. Technical maintenance, special conditions of
operation
12.1 On the whole, hardness testers do not require any special
maintenance. However, for the purpose of hardness tester stable
operation, regular maintenance is advisable.
12.2. Probe maintenance
Clean hardmetal ball and diamond pyramid from dust, mud and oil
traces. Use soft cloth impregnated with alcohol solution.
Check the probe operation regularly by conducting hardness
measurements on hardness reference blocks. Do not use reference
test block with expired period between verifications (more than 2
years).
12.3. Information processing unit maintenance
To clean from any pollution, use soft dry cloth. Do not use the water,
since the hardness tester is neither spray-proof nor water-proof due
to the joints on its body.
Do not use any solvents, they can damage indication signs and
writings on the front and back sides of the body.
12.4. Battery maintenance
The battery average life is not less than 3 years. The battery used in
compliance with the "C" or "AA" international standard. It is done for
the convenience of it s replacement when it is required or sharp
reduction of the continuous operation time (paragraph 3.6)
independently of the country. Replacement is possible only by the
battery with similar characteristics in compliance with the marking on
it. From environmental protection point of view, the best thing is to
use the battery.
