The measurement system of the TensionRite® Belt Frequency
Meter is based upon a very stable quartz crystal that should never
wander. However, a precision mechanical resonator (tuning fork)
is included with the meter so that a calibration check at a spot
frequency of 250Hz may be performed at any time.
Tap the tip of the tuning fork on a hard surface and then hold
steady in front of the optical sensor at a distance of 1/2 in. The
meter will measure a frequency of 250Hz, thus demonstrating
that it is in calibration.
Results within +/- 1% are acceptable. There is no adjustment
possible. If greater variance is experienced, meter should be
returned for recalibration. See Section 8.2 for recalibration
return procedures.
Power Transmission Products 8.0 Calibration
12
8.1 Spot Check
Technical support relating to calibration certiication and/or
operation of the TensionRite® Belt Frequency Meter can be
obtained from the manufacturer at:
techsupport@clavis.co.uk
phone: 011441912627869
fax: 011441912620091
The meter may be returned to the manufacturer for repair or
recalibration at any time. A factory calibration certiicate is included
with each meter. Although the very stable solid-state quartz crystal
based system is not likely to go out of calibration, some operating
procedures call for annual gauge certiication.
For certiication/calibration purposes the meter may be returned to
the manufacturer at yearly intervals to have the meter recalibrated
and certiied to UKAS (United Kingdom Accreditation Standards)
ISO/IEC 17025:2005.
The manufacturer must be contacted for detailed cost and shipping
procedures prior to any return. Contact information for Integrated
Display Systems Limited (Clavis) is shown in Appendix 5.0.
There will be a charge for these services.
8.2 Annual Certification
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