BK Precision 885 Manual De Instrucciones página 34

resistance (Figure 3.3). This connection can improve the
measurement range down to 10m. However, the effect of the
test lead inductance can't be eliminated.
H
CUR
H
POT
L
POT
L
CUR
(a) CONNECTION
1m 10m 100m 1
(c) TYPICAL IMPEDANCE MEASUREMENT RANGE (£[)
 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 to 10M.
DUT
4T
10 100 1K 10K 100K 1M
Figure 3.3
31
A
(b) BLOCK DIAGRAM
DUT
V
10M