Fluke 78 - Page 60

78
Users Manual
48
Function Overload Input Impedance
Common Mode Rejection Ra-
tio
Normal Mode Rejection
Ratio
K
, Hz
Hz H
300 V >10 MΩ <150 pF >60 dB, dc to 60 Hz
F
300 V >10 MΩ <150 pF >120 dB at dc, 50 Hz or 60 Hz >60 dB at 50 Hz or 60
Hz
300 V >10 MΩ <150 pF
RPM 30 V 2 MΩ <50 pF
Open Circuit Test Full Scale Voltage Short Circuit Current
e, R 300 V rms Voltage
To 4.0 MΩ 40 MΩ
<1.3 V dc <450 mV dc <1.3 V dc <500 µA
G 300 V rms <3.3 V dc 2.500 V dc 1.6 mA typical
°C°F 30 V rms
† 10
7
V-Hz max