Detailed Specifications; Ac Voltage Measurements - Fluke 279 FC User Manual

True-rms thermal multimeter
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Detailed Specifications

For all specifications: Accuracy is specified for 1 year after calibration, at operating temperatures of 18 °C to 28 °C, with relative
humidity at 0 % to 90 %. Accuracy specifications take the form of ±([% of Reading] + [Number of least significant digits]).

AC Voltage Measurements

Resolution
Range
[1]
600.0 mV
0.1 mV
6.000 V
0.001 V
60.00 V
0.01 V
600.0 V
0.1 V
1000 V
1 V
[1] All ac voltage ranges are specified from 1 % of range to 100 % of range.
[2] Crest factor of ≤3 at 4000 counts, decreasing linearly to 1.5 at full scale.
[3] For non-sinusoidal waveforms, add –(2 % of reading + 2 % full scale) typical, for crest factor up to 3.
[4] Do not exceed 10
7
V-Hz.
[5] Full-time low-pass filter.
45 Hz to 65 Hz
1.0 % + 3
True-rms Thermal Multimeter
[2][3][4]
Measurement
65 Hz to 200 Hz
1.0 % + 3
[5]
4.0 % + 3
Detailed Specifications
200 Hz to 500 Hz
[5]
15.0 % + 3
39

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