Doric Instruments 5000D Digital Process Indicator and Miniature Datalogger - Manual (Page 24)

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Chapter 4
Calibration
Thermocouple Type: Single Channel
Equipment Required:
1. Precision voltage source with a resolution to 1uV and an
accuracy of ±0.01% or ±2.0uV.
2. Interconnecting copper wire from the DC source to the
indicator.
3. Trimmer adjusting tool.
WARNING!-Dangerous
voltages exist on charged capacitors even
after unit is de-energized. Allow 5 minutes
of discharge time before removing unit
from case.
STEP 1.
Remove power and snap off the front panel lens.
Leave the keypad attached to the display board, as it will be
required to enter the calibration menu. Remove the rear
pluggable connector from the rear of the indicator and slide