CP TD1 Reference Manual V 1.44
62
Next measurement is C HT. The connection diagram is shown in Figure 5-25.
The measuring mode is UST B. Without the GUARD technique it would not be
possible to measure C HT separately, because C HL in series to C LT are in
parallel to C HT. Only by connecting L to GUARD the current flowing to L is not
measured.
Figure 5-25 Measurement of C HT in UST-B mode, C HL and C H are
guarded
IN A
IN B
C
HL
C
HT
C
H
UST-B
C = C
HT
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