Recording the Standard Count
Troxler recommends keeping a daily log of the density and
background counts (see Appendix F for a sample log).
To verify gauge stability, compare the daily standard count to a
reliable reference as follows:
During the first four days of operation of a new or
recalibrated gauge, compare the daily standard count to the
factory-calibrated values.
After the first four days of operation (or after taking four
standard counts), compare the daily standard count to the
average of the last four counts. Acceptable standard count
limits are:
1% each day for DS and
1% each day for DSB
After recording the standard counts, press YES to return to the
Ready mode.
NOTE
The factory standard count values should be used as
a reference if the daily standard counts are ever in
question. Be sure to refer to the most recent
calibration report for the gauge in question.
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