NewSonic SonoDur2 Issue 04 09/2016 Page 49
8 Functional Monitoring by the Operator
The UCI tester is a precision device and should therefore guarantee flawless operation over a long
period of time, if appropriately and carefully used. Nevertheless, it is advisable to perform the
following system checks:
Check the measurement accuracy and reproducibility with hardness reference blocks (we
recommend MPA-certified hardness reference blocks). It is described in DIN 50159. Here we
deviate from the mandatory use of a specific size of block but recommend in any case to
couple any reference plate to a solid plane steel block using NewSonic special coupling fluid
for instance. At least 3 measurements should be performed (spread over the entire area of
the hardness reference block). The permissible deviation from the mean value to the
nominal value of the block must not exceed 5 % at test forces between HV 5 and HV 10 or
depending on the range, 7 % at HV 1. In the low load range from HV 0.1 until HV 0.8, the
maximum uncertainty of measurement amounts up to 9%. (see section “Measuring
Method“, page 7)
Check the penetration diamond under the microscope for damages.
If you notice any damage to the probe and / or tester, you should immediately put the device out of
operation and send it to our service department for inspection. This also applies to the case if
measurement deviations are too high.
Please note:
We recommend to have the system reviewed on an annual basis by our service department or by any
other authorized NewSonic sales and service partners.
8.1 Software Version
The version of the SonoDur2 device software can be queried via the soft keys Help -> About:
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