20
DMP30 / DMP40
Technical Data
Calibration
For a correct measurement of the coating thickness, the gauge must detect the
properties (permeability, electrical conductivity, geometry) of the test piece. This
adjustment is carried out by a calibration. Furthermore, the gauge contains a
function for semi-automatic calibration.
Calibration method
Adjustment of the measuring system (gauge and connected probe) to geometri-
cal form and base material of the test piece (= Zero point determination) and ad-
justment to up to two coating thickness values by using calibration foils. On reca-
libration, individual calibration steps can be skipped.
Store calibrations
The storage location for a calibration depends of the connected probe.
Digital probe: up to 100 calibrations can be stored in the connected digital
probe;
probe identifiable by the USB-C female jack and by the probe name, always be-
ginning with the letter D
Analog probe: connection via DMP-F-probe-Adapter plugged into the gauge; a
total of up to 100 calibrations can be stored in the DMP-F-Probe-Adapter; only
the calibrations that were created with the probe connected to the DMP-F-
Probe-Adapter are available in the gauge in each case.
Probe identifiable by the 10-pin male jack and by the probe name, always be-
ginning with the letter F or containing the letter F.
Calibration check
Checking the calibration state of the selected calibration and the measuring ac-
curacy of the measuring system. You can check whether the mean value of the
check measurement matches the reference value of the calibration standard
within the scope of measurement uncertainty (in accordance with ISO/IEC Guide
98-3).
Lock calibrations
You can lock selected calibrations.
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