B&K Precision 886 - Manual User Manual

Page 35

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32

resistance (Figure 3.3). This connection can improve the
measurement range down to 10m

Ω. However, the effect of the

test lead inductance can’t be eliminated.

H

CUR

H

POT

DUT

(b) BLOCK DIAGRAM

DUT

V

A

(a) CONNECTION

(c) TYPICAL IMPEDANCE MEASUREMENT RANGE (£[)

4T

1m 10m 100m 1

10

1K 10K 100K 1M

100

10M

L

POT

L

CUR

Figure 3.3

 5-Terminal (5T)

5-Terminal connection is the combination of 3T and 4T (Figure
3.4). It has four coaxial cables. Due to the advantage of the 3T
and 4T, this connection can widely increase the measurement
range for 10m

Ω to 10MΩ.




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