13
Calibration
Gage calibration is typically performed by the manufacturer or
accredited lab. All probes include a Certificate of Calibration.
Calibration & Verification of Accuracy
Calibration & Verification of Accuracy
Verification of Accuracy
Ensure that the probe has been cleaned with the included
cleaning card (pg. 12) and that the probe has been zeroed
(pg. 15).
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 the peak density measuring system
(RTR-P models only)
Place the
Peak Density Check Tape
into the probe opening. The
peak density (P
d
) result should be within tolerance specified on
the tape.
Ignore the peak height (H) result
.
If not, the Gage may need to be returned to your dealer for
service.
