TB 55-6625-726-35
4-2.
AC Voltmeter (High Range).
a. Performance Check.
(1)
Connect equipment as shown in figure 4-2.
AV 036747
Figure 4-2. AC voltage (high range) equipment setup.
(2)
Set test instrument RANGE SELECTOR switch to 0-2250 volt position.
(3)
Adjust decade resistor (A2) to 100 megohms.
(4)
Set differential multimeter (Al) RANGE switch to 10 volt AC position.
(5)
Press test instrument ON switch.
(6) Adjust test instrument VOLTAGE CONTROL for 750 volts indication on test instrument AC voltmeter.
Differential multimeter will indicate between 6.38 and 8.62 vac.
(7)
Set Differential multimeter RANGE switch to 100 volt AC position.
(8) Adjust test instrument VOLTAGE CONTROL for each indication on test instrument AC voltmeter as listed in
(9)
Set test instrument VOLTAGE CONTROL to zero.
b. Adjustments. No adjustments can be made.
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