5080A
Service Manual
70
Low Resistance Source Calibration
You can calibrate the Low Resistance Source through the front-panel controls.
This Calibration does a 4-wire DC resistance measurement on each resistor in
the Low Resistance Source function.
Note
Fluke recommends you do a calibration of all resistors to make sure
the low resistance source function operates to the specified
accuracy.
To calibrate the Low Resistance function:
1. Connect the Fluke 8508A multimeter to the output terminals of the Product,
as shown in Figure 21.
Fluke 5080A
Fluke 8508A
gru112.eps
Figure 21. MEGOHM Low Resistance Calibration Connections
2. Select the 4-wire TRUE ohms function on the multimeter.
3. Set the cal enable switch on the rear of the 5080A to the enable position.
4. Push , then Cal, Cal, Option Cal, and Megohm Cal.
5. Do the instructions on Product display and cal points in Table 47.Type in the
measured values through the Product keypad.
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