Fluke 279FC User Manual - Page 49

Detailed Specifications, AC Voltage Measurements

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True-rms Thermal Multimeter Detailed Specifications 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 Range[1] Resolution 45 Hz to 65 Hz Measurement[2][3][4] 65 Hz to 200 Hz 600.0 mV 0.1 mV 1.0 % + 3 6.000 V 0.001 V 60.00 V 600.0 V 0.01 V 0.1 V 1.0 % + 3 4.0 % + 3[5] 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 107 V-Hz. [5] Full-time low-pass filter. 200 Hz to 500 Hz 15.0 % + 3[5] 39

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True-rms Thermal Multimeter
Detailed Specifications
39
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
Range
[1]
Resolution
Measurement
[2][3][4]
45 Hz to 65 Hz
65 Hz to 200 Hz
200 Hz to 500 Hz
600.0 mV
0.1 mV
1.0 % + 3
6.000 V
0.001 V
1.0 % + 3
4.0 % + 3
[5]
15.0 % + 3
[5]
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.