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Associated Research 7704 - Calibration of IR XXX.XM Range; Calibration of Ground Bond AC Voltage (Model 7704 Only)

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94
DC 350A, 1M OK
T E S T t o C a l i b r a t e
10.3.9. Calibration of IR XXX.XM range
Press the key, the program will advance to the XXX.XM range calibration of the IR test.
The display will show:
XXX.XM,STD 50M
T E S T t o C a l i b r a t e
Connect a 50M/0.25W/1000VDC standard resistor to the output connectors, then press the
TEST button, the program will automatically calibrate the XXX.X M range of IR test and the
display will show:
XXX.XM,STD 50M OK
T E S T t o C a l i b r a t e
10.3.10. Calibration of IR XXXXM range
Press the key, the program will advance to the XXXXM range calibration of the IR test.
The display will show:
XXXXM,STD 50M
T E S T t o C a l i b r a t e
Connect a 50M/0.25W/1000VDC standard resistor to the output connectors, then press the
TEST button, the program will automatically calibrate the XXXX M range of IR test and the
display will show:
XXXXM,STD 50M OK
T E S T t o C a l i b r a t e
10.3.11. Calibration of Ground Bond AC Voltage (Model 7704 only)
Press the key, the program will advance to the AC Voltage calibration of the Ground bond
test. The display will show:
Ground V, 7V
T E S T t o C a l i b r a t e
Connect a AC standard voltage meter which can measure up to 10VAC to the High current and
Return output leads, then press the TEST button, the program will automatically generate an
output of about 7VAC and the display will show:

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