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Start to Test
Gently press the release button on top of the impact device while the work piece, the impact device and
the impact body are all stable and the starting force coincides with the axis of the impact device
Experimental Measurement
It is advisable to consider the first measurement as experimental measurement. In order to acquire
some experience of how to use the impact device, it is recommended to conduct a number of
experimental measurements.
•
After experimental measurement conducting, push
Í
button to delete the result and exclude it
from the article mean hardness value computation
•
After a number of experimental measurements have been conducted for the purpose of
acquiring some experience of using the transducer, you may use ‘Clear Archive’ function to delete the
results of the experimental measurements
Acquiring some experience of working with the transducer
To acquire some experience of working with the transducer, it is recommended to use reference
hardness blocks. Measure the hardness of a reference hardness block (not less than 10-20
measurements) and compute its mean value. If the obtained value does not correspond to the number
of the reference hardness block, conduct more measurements.
If the hardness tester readings are stable and the obtained mean value corresponds to the reference
hardness block rated value you may proceed with normal testing procedures.
In the process of working with the impact device, make sure that the cable (connecting the transducer
with the electronic module) does not get twisted.
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