Fluke 77 Series III, Service Manual

Page: 34 / 59

Maintenance
AC Voltage Test
3
3-9
Referring to Table 3-4, set the Ohms Calibrator or Decade Resistor to the
resistance value indicated in steps 1 through 6. Verify that the display reading
is within the limits shown.
3-10. Diode Test
1. Set the UUT to the Diode Test function.
Note
On Fluke 5100 series calibrators, activate the 50
Ω
divider
override. On Fluke 5500A calibrators, lock voltage to the 33V
range.
2. Apply an input from the DC Voltage Calibrator of +.090V dc to the
z
and COM input terminals of the UUT, and verify that the
beeper is on.
3. Increase the DC Voltage Calibrator output to +.110V dc, and verify
that the beeper is off.