Fluke 27 - Page 28

27
Users Manual
24
Function Overload
Protection*
Input Impedance
(Nominal)
Common Mode Rejection Ratio
(1 ke unbalance)
Normal Mode Rejection
C
1000 V rms 10 Me in // with<100 pF >120 dB at dc, 50 Hz, or 60 Hz >60 dB at 50 Hz or 60 Hz
J
1000 V rms 10 Me in // with<100 pF >120 dB at dc, 50 Hz, or 60 Hz >60 dB at 50 Hz or 60 Hz
I
1000 V rms 10 Me in // with<100 pF
(ac coupled)
>60 dB, dc to 60 Hz
F
1000 V rms 10 Me in // with<100 pF
(ac coupled)
>60 dB, dc to 60 Hz
Open Circuit Test Voltage Full Scale Voltage
O
1000 V rms Up to 3.2 Me 32 Me or nS
<2.8 V dc
<420 mV dc <1.3 V dc
*10
7
V Hz Max
Maximum Voltage Between Any
Terminal and Earth Ground
Function Fuse Protection
1000 V mA or µA
A
44/100 A 1000 V Fast
11 A 1000 V FasT