Name: Fluke 79 III
Brand: Fluke
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Calibration Information

Calibration Adjustment

Calibrate the meter once a year to ensure that it performs according to specifications. Calibration

adjustment points are identified in Figure 7.

Use the following procedure to calibrate the Meter:

1. Set the dc voltage calibrator to 0 volts.

2. Select the L function on the meter.

3. Connect the dc voltage calibrator to the VΩG and COM input terminals of the UUT.

4. Set the dc voltage calibrator for an output of +3.5 V dc.

5. The UUT should display 3.500 V dc ± 0.001. If necessary, remove the four case screws and top cover,

and adjust R21 to obtain the proper display.

6. Set the UUT to the K function, and set the source for an output of 3.500 V ac at 100 Hz.

7. The UUT should display 3.500 V ac ± 0.002. If necessary, remove the four case screws and top cover

and adjust R34 to obtain the proper display.

Yellow

Range

R40

R21

R34

pd005f.eps

Figure 7. Calibration Adjustment Points

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Fluke 79 III Specifications

General