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TM 55-6695-220-13&P
c.
Permit the indicator under test to remain at ambient temperature for as long as one hour, depending upon the
conditions. The self-contained light holder, if present, must be disconnected during temperature stabilization and
subsequent scale error test procedures. Disconnect both thermocouple leads from the indicator and connect the tester's
thermocouple lead clips to the indicator, observing the polarities depicted.
d.
Check to see if VOLTMETER pointer is indicating zero reading. If not manipulate zero adjust with a small
screwdriver until
2-3
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