Fluke 233 - Input and Protection Characteristics; Input Impedance and Overload Protection

233
Users Manual
44
Input Characteristics
Function
Overload
Protection
Input
Impedance
(nominal)
Common Mode
Rejection Ratio
(1 kΩ unbalance)
Normal Mode Rejection
L
1100 V rms >10 MΩ <100 pF
> 100 dB at dc, 50 Hz
or 60 Hz
> 60 dB at 50 Hz or 60 Hz
K
1100 V rms >5 MΩ < 100 pF > 60 dB, dc to 60 Hz
Full Scale Voltage
Open Circuit
Test Voltage
To 6 MΩ 40 MΩ
Typical Short Circuit Current
Ω
1100 V rms <2.7 V dc <0.7 V dc <0.9 V dc <350 μA
R
1100 V rms <2.7 V dc <300 mV dc <350 μA
E
1100 V rms <2.7 V dc <700 mV dc <350 μA
G
1100 V rms <2.7 V dc Up to 2.000 V dc 1.2 mA