Fluke 772 Calibration Manual page 21

To turn on Calibration mode:
1. Remove the batteries and substitute with a lab supply set to 6 V dc.
2. Open the battery door. The calibration button is usually hidden by the factory
calibration seal.
3. Use a small probe and push the calibration button longer than 2 seconds. See Figure
4.
There are five Meter functions to adjust:
1. Clamp measure
2. mA measure
3. Volt measure (773 only)
4. mA source
5. Volt source (773 only)
Table 3 shows the Meter buttons you use to select a function to be calibrated.
Button
L
Engages mA function
J
Identifies V dc function
C
Identifies Clamp function
T
Toggles between measure and source modes
Figure 4. Accessing the Calibration Button
Table 3. Calibration Functions
Calibration Function Description
Milliamp Process Clamp Meter
Calibration Button
Calibration Adjustment
gep01.eps
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