Fluke 87 III - Manual (Page 57)

Specifications
49
Table 18. Electrical Characteristics of the Terminals
Function
Overload
Protection
1
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
F
mV
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
K
1000 V rms 10 M
Ω
<100 pF
(ac-coupled)
>60 dB, dc to 60 Hz
Open Circuit
Full Scale Voltage Typical Short Circuit Current
Test Voltage
To 4.0 M Ω 40 M Ω or nS 400 Ω 4 k 40 k 400 k 4 M 40 M
e
1000 V rms <1.3 V dc <450 mV dc <1.3 V dc 200
µ
A 80
µ
A 12
µ
A 1.4
µ
A 0.2
µ
A 0.2
µ
A
G
1000 V rms <3.9 V dc 3.000 V dc 0.6 mA typical
1. 106 V Hz max