Fluke 28IIEX Fluke 28IIEx User Manual - Page 58

Detailed Specifications, AC Voltage

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28 II Ex Users Manual Detailed Specifications For all detailed specifications: Accuracy is specified for 2 years after calibration, at operating temperatures of 18 °C to 28 °C, with relative humidity at 0 % to 80 %. Accuracy specifications take the form of ±([% of Reading] + [Number of least-significant digits]). In the 4 ½-digit mode, multiply the number of least-significant digits (counts) by 10. AC Voltage AC conversions are ac-coupled and valid from 3 % to 100 % of range. Range Resolution 45 - 65 Hz Accuracy 30 - 200 Hz 200 - 440 Hz 440 Hz - 1 kHz 1 - 5 kHz 5 - 20 kHz 600.0 mV 0.1 mV 6.000 V 0.001 V ±(0.7 % + 4) 60.00 V 600.0 V 0.01 V 0.1 V ±(1.0 % + 4) 1000 V 1 V ±(0.7 % + 2) Low-Pass Filter ±(1.0 % + 4) [1] +1.0 % + 4 -6.0 % - 4 [3] [1] Below 10 % of range, add 12 counts. [2] Frequency range: 1 kHz to 2.5 kHz [3] Specification increases from -1 % to -6 % at 440 Hz when filter is used. Unspecified ±(2 % + 4) ±(2 % + 4) [2] Unspecified Unspecified ±(2 % + 20) [1] Unspecified Unspecified Unspecified Unspecified 48

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28 II Ex
Users Manual
48
Detailed Specifications
For all detailed specifications:
Accuracy is specified for 2 years after calibration, at operating temperatures of 18
°
C to 28
°
C, with relative humidity at 0 % to 80 %.
Accuracy specifications take the form of
±
([% of Reading] + [Number of least-significant digits]). In the 4 ½-digit mode, multiply the number of
least-significant digits (counts) by 10.
AC Voltage
AC conversions are ac-coupled and valid from 3 % to 100 % of range.
Range
Resolution
Accuracy
45 – 65 Hz
30 – 200 Hz
200 – 440 Hz
440 Hz – 1 kHz
1 – 5 kHz
5 – 20 kHz
600.0 mV
0.1 mV
±
(0.7 % + 4)
±
(1.0 % + 4)
±
(2 % + 4)
±
(2 % + 20)
[1]
6.000 V
0.001 V
60.00 V
0.01 V
±
(0.7 % + 2)
±
(2 % + 4)
[2]
Unspecified
600.0 V
0.1 V
Unspecified
1000 V
1 V
Unspecified
Unspecified
Low-Pass Filter
±
(1.0 % + 4)
[1]
+1.0 % + 4
-6.0 % - 4
[3]
Unspecified
Unspecified
Unspecified
[1]
Below 10 % of range, add 12 counts.
[2]
Frequency range: 1 kHz to 2.5 kHz
[3]
Specification increases from -1 % to -6 % at 440 Hz when filter is used.