Doc# 100576 • REV C (Sept 2017) Page 27 of 42
At each gap, measure and record the SIG Voltage from the volt meter and the current output
measured by the Ammeter.
mils mm SIG Voltage
10 0.25
20 0.50
30 0.75
40 1.00
50 1.25
60 1.50
70 1.75
2.00
2.25
Use the following equaon to determine the expected current at each gap.
Current = 16 * (Gap-Boom Scale Gap) / (Top Scale Gap-Boom Scale Gap) + 4mA