Ferroresonant L-828/L-829 CCR Operation
2009 ADB Airfield Solutions, Incorporated
96A0288T 4-9
All rights reserved Issued 9/04
DPM Displays
NOTE: Scroll through displays using the Scroll Up and Scroll
Down buttons. After 30 seconds the display will revert to the default
setting of Arms.
Note: The following is needed to calibrate the DPM:
• Calibrated True RMS AC multimeter with current
clamp.
• High Voltage probe capable of reading 5,000Vtrue
rms.
• Ability to apply a shorted load to CCR.
• Ability to apply a field load or equivalent resistive
load to CCR.
WARNING: The CCR must be operating during calibration.
Risk of electrical shock. Failure to observe this warning may
result in personal injury, death, or equipment damage.
Calibration Procedure
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