Fluke 28IIEX Fluke 28IIEx User Manual - Page 63

Duty Cycle (Vdc and mVdc), Input Characteristics, Typical Short Circuit Current

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True-rms Digital Multimeter Detailed Specifications Duty Cycle (Vdc and mVdc) Range Accuracy 0.0 % to 99.9 % [1] Within ± (0.2 % per kHz + 0.1 %) for rise times 2 μs. Pulse width range is determined by the frequency by the frequency of the signal. Input Characteristics Function L  K Overload Protection Input Impedance (nominal) 1000 V rms 1000 V rms 10 MΩ 120 dB at dc, 50 Hz or 60 Hz > 120 dB at dc, 50 Hz or 60 Hz > 60 dB, dc to 60 Hz Normal Mode Rejection > 60 dB at 50 Hz or 60 Hz > 60 dB at 50 Hz or 60 Hz Open Circuit Test Voltage Full Scale Voltage To 6 MΩ 5 MΩ or 60 nS 600 Ω Typical Short Circuit Current 6 kΩ 60 kΩ 600 kΩ 6 MΩ 50 MΩ Ω 1000 V rms

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True-rms Digital Multimeter
Detailed Specifications
53
Duty Cycle (Vdc and mVdc)
Range
Accuracy
0.0 % to 99.9 %
[1]
Within
±
(0.2 % per kHz + 0.1 %) for rise times <1
μ
s.
[1]
0.5 Hz to 200 kHz, pulse width >2
μ
s. Pulse width range is determined by the frequency by the frequency of the signal.
Input Characteristics
Function
Overload
Protection
Input
Impedance
(nominal)
Common Mode
Rejection Ratio
(1 k
Ω
unbalance)
Normal Mode Rejection
L
1000 V rms
10 M
Ω
<100 pF
> 120 dB at dc, 50 Hz
or 60 Hz
> 60 dB at 50 Hz or 60 Hz
1000 V rms
> 120 dB at dc, 50 Hz
or 60 Hz
> 60 dB at 50 Hz or 60 Hz
K
1000 V rms
10 M
Ω
< 100 pF
(ac-coupled)
> 60 dB, dc to 60 Hz
Open Circuit
Test Voltage
Full Scale Voltage
Typical Short Circuit Current
To 6 M
Ω
5 M
Ω
or
60 nS
600
Ω
6 k
Ω
60 k
Ω
600 k
Ω
6 M
Ω
50 M
Ω
Ω
1000 V rms
<7.0 V dc
<1.7 V dc
<1.9 V dc 500
μ
A 100
μ
A
10
μ
A
1
μ
A
0.4
μ
A 0.2
μ
A
G
1000 V rms
<7.0 V dc
2.200 V dc
1.0 mA typical