Iwatsu SS-530, Instruction Manual

Page: 86 / 105

80
Typical Characteristics
Input impedance
The location where the sensor is clamped will exhibit
impedance as shown in Figs. 5 and 6, which inserts a load
in a circuit under measurement. In particular, take this
characteristic into account when measuring a high-frequency
current.
1
0.1
0.01
0.001
100 1k 10k 100k 1M 10M 100M 1G
Frequency [Hz]
Fig. 5 Input impedance (Model SS-530)
1
0.1
0.01
0.001
100 1k 10k 100k 1M 10M 100M 1G
Frequency [Hz]
Fig. 6 Input impedance (Model SS-531)
In
p
ut
im
p
e
da
n
ce
[
Ω
]
In
p
ut
im
p
e
da
n
ce
[
Ω
]