Front-Panel Operation
Sample Applications
4
4-61
Calibrate the Meter
Continue with calibration if there was a range that was out of tolerance in the verification
procedure.
Note
To do the adjustment to calibrate the meter, it is necessary to disassemble
the meter. Refer to the diagrams and access procedures in the 80 Series
Service Manual.
1.
Make sure that the Calibrator is set to 0 V dc in standby. Push
if necessary.
2.
Turn on the 80 Series DMM, and set its function switch to
.
3.
Connect a set of test leads to the DMM as shown in Figure 4-16.
4.
Set the Calibrator to 3.5 V dc and push
.
5.
The DMM shows 3.500
±
0.001. If necessary, adjust R21 to get the correct
measurement.
6.
Set the DMM function switch to
and set the Calibrator output to 3.500 V at
100 Hz.
7.
The DMM shows 3.500
±
0.002. If necessary, adjust R34 to get the correct
measurement.
8.
Change the Calibrator output to 10 kHz.
9.
The DMM shows 3.500
±
0.004. If necessary, adjust C2 to get the correct
measurement.
10.
Change the Calibrator output to 35.00 V at 10 kHz.
11.
The DMM shows 35.00
±
0.04. If necessary, adjust C3 to get the correct
measurement.
Verify a Model 41 Power Harmonics Analyzer
For the Model 41 Power Harmonics Analyzer, hereafter referred to as the Tester, two
voltages with different phase relationships are necessary to verify the functionality of the
power and harmonics features. The procedure included here is to demonstrate the
operation of the dual-voltage function of the Calibrator.
Note
These procedures are included here as an example. The Model 41 Service
Manual has the complete authoritative test and calibration procedures
Verify Watts, VA, VAR Performance
Do the subsequent procedure to verify the watts, VA, and VAR functions of the Tester.
Refer to Table 4-4.
Warning
To prevent electrical shock, fire, or personal injury, make sure
the Product is in standby mode before you make connections
between the product and Tester.
Summary of Contents for 5502A
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