Duty Cycle (Vdc And Mvdc); Input Characteristics - Fluke 28IIEX User Manual

True-rms digital multimeter
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Duty Cycle (Vdc and mVdc)

Range
0.0 % to 99.9 %
[1]
0.5 Hz to 200 kHz, pulse width >2 s. Pulse width range is determined by the frequency by the frequency of the signal.

Input Characteristics

Overload
Function
Impedance
Protection
L
1000 V rms
10 M <100 pF
1000 V rms
10 M < 100 pF
K
1000 V rms
(ac-coupled)
Open Circuit
Test Voltage
1000 V rms
G
1000 V rms
[1]
Input
Common Mode
Rejection Ratio
(nominal)
(1 k
unbalance)
> 120 dB at dc, 50 Hz
or 60 Hz
> 120 dB at dc, 50 Hz
or 60 Hz
> 60 dB, dc to 60 Hz
Full Scale Voltage
To 6 M
<7.0 V dc
<1.7 V dc
<1.9 V dc 500 A 100 A 10 A
<7.0 V dc
2.200 V dc
Accuracy
Within
(0.2 % per kHz + 0.1 %) for rise times <1 s.
Normal Mode Rejection
> 60 dB at 50 Hz or 60 Hz
> 60 dB at 50 Hz or 60 Hz
Typical Short Circuit Current
5 M
or
600
6 k
60 k
60 nS
1.0 mA typical
True-rms Digital Multimeter
Detailed Specifications
600 k
6 M
50 M
1 A
0.4 A 0.2 A
53

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