DeFelsko PosiTector RTR Guía Rápida página 7

Calibration & Verification of Accuracy
Calibration
Gage calibration is typically performed by the manufacturer or
accredited lab. All PosiTector RTR probes include a Certificate
of Calibration.
Verification of Accuracy
Ensure that the probe has been cleaned with the included
cleaning card (pg.5) and that the probe has been zeroed (pg. 7).
Verify accuracy of the peak height measuring system
Place the PosiTector RTR Check Shim into the probe opening.
The average of several measurements should be within the
combined tolerance of both the Gage and the shim. If not, the
Gage may need to be returned to your dealer for service.
The check shim is specifically intended for all PosiTector RTR
probes. The Gage is designed to measure burnished replica
tape within a limited measuring range and automatically subtracts
50.8 µm (2 mil) from height measurements to account for the
incompressible polyester film. Therefore plastic shims intended
for other instruments such as coating thickness gages will not
be measured properly.
Verify accuracy of the peak density measuring system
(RTR-P models only)
Place the Peak Density Check Tape into the probe opening.
The peak density (P
on the tape. Ignore the peak height (H) result.
If not, the Gage may need to be returned to your dealer for service.
) result should be within tolerance specified
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