6241A/6242 DC Voltage Current Source/Monitor Operation Manual
7.2.3 Test Methods
7-5
Current source measurement test (in the range between 3 A and 5 A)
1. Connect the 6242 to DMM and to the standard resistor as shown in Figure 8-7.
The following table shows the standard resistance values.
2. Set DMM to DC V, auto range, and Integration time at 10 PLC or longer.
3. Set the 6242 to DC source mode, free run, and Integration time at 200 ms.
4. Select current source current measurement and Operate.
5. Generate ZERO and ± F.S in the 3 A and 5 A ranges. Verify that the difference
between the source set value and the converted current value calculated from the
DMM measured value and standard resistance value is within the accuracy
described in Chapter 9, “SPECIFICATIONS.”
NOTE: If the result of this test does not fall within the accuracy specifications, cali-
brate the 6242 as outlined in Chapter 8, “CALIBRATION” or contact an
ADC CORPORATION sales representative for the calibration or servicing.
Range
Standard
resistance value
3 A 100 mΩ
5 A 10 mΩ
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