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Testing the Voltage Function
To verify accuracy in the AC and DC voltage ranges, do the following:
1. Turn the rotary switch to “V
” position.
2. Connect the Calibrator to the VΩ and COM inputs on the Meter.
3. Set the Calibrator for the voltage and frequency from step 1 to 12 in Table 1.
4. Compare the reading on the Meter display with the display reading shown in Table 1.
5. If the display reading falls outside of the range shown in Table 1, the Meter does not meet
specification.
Table 1 AC Voltage Test:
Step Input Frequency Reading
1 500mV 50Hz 494.7 to 505.3
2 500mV 500Hz 494.7 to 505.3
3 500mV 1kHz 489.7 to 510.3
4 5.000V 50Hz 4.947 to 5.053
5 5.000V 500Hz 4.947 to 5.053
6 5.000V 1kHz 4.897 to 5.103
7 50.00V 50Hz 49.47 to 50.53
8 50.00V 500Hz 49.47 to 50.53
9 50.00V 1kHz 48.97 to 51.03
10 500.0V 50Hz 494.7 to 505.3
11 500.0V 500Hz 494.7 to 505.3
12 500.0V 1kHz 489.7 to 510.3
6. Turn the rotary switch to “V
” position.
7. Set the calibration for the voltage from step 1 to 4 in Table 2.
8. Compare the reading on the Meter display with the display reading shown in Table 2.
9. If the display reading falls outside of the range shown in Table 2, the meter does not meet
specification.
Table 2 DC Voltage Test:
Step Input Reading
1 500mV 497.3 to 502.7
2 5.000V 4.973 to 5.027
3 50.00V 49.73 to 50.27
4 500.0V 497.3 to 502.7