Replacing Fuses; Calibrating The Probes - Fluke 91 Series II User Manual

User Maintenance

REPLACING FUSES

Since the test tool uses electronically protected inputs, no
fuses are required.

CALIBRATING THE PROBES

The following procedures describe dc calibration and ac
adjustment for the 10:1 probe used on INPUT A (red scope
probe) and INPUT B (grey scope probe).
To meet full user specifications, use the 10:1 probes only
with the inputs on which they have been calibrated.
INPUT A Probe Calibration
1. Connect the INPUT A BNC input to the GENERATOR
OUT red banana jack. See Figure 9-2. Use the red
scope probe and the red 4-mm banana adapter.
2. Turn the ScopeMeter test tool on.
3. Press .
4. Press to open the PROBES MENU window.
5. Use to highlight PROBE on INPUT A, and
press . This opens the list box.
NOTE
Figure 9-2 INPUT A Probe Calibration Setup
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