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Digital Multimeters
Accuracy Specifications
19
Accuracy Specifications
Accuracy is specified for 1 year after calibration, at operating temperatures of 18 °C to 28 °C, relative humidity at 0 % to
75 %. Accuracy specifications take the form of: ±([% of Reading] + [Number of Least Significant Digits]).
AC and DC Voltage
Function Range Resolution
Accuracy
15B+ 17B+ 18B+
AC Volts (40 Hz – 500 Hz)
[1]
4.000 V
40.00 V
400.0 V
1000 V
0.001 V
0.01 V
0.1 V
1 V
1.0 % + 3 1.0 % + 3
1.0 % + 3
AC Millivolts
400.0 mV 0.1 mV 3.0 % + 3 3.0 % + 3
3.0 % + 3
DC Millivolts
400.0 mV 0.1 mV 1.0 % + 10 1.0 % + 10
1.0 % + 10
DC Volts
4.000 V
40.00 V
400.0 V
1000 V
0.001 V
0.01 V
0.1 V
1 V
0.5 % + 3 0.5 % + 3
0.5 % + 3
[1] All ac, Hz, and duty cycle are specified from 1 % to 100 % of range. Inputs below 1 % of range are not specified.
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