Fluke 87 - Page 47

Making Measurements
Using Conductance for High Resistance Tests
3
3-11
MIN MAXHOLD
REL
%
ms
Hz
RANGE
dB
dB
ac+dc
ac+dc
ac+dc
ac+dc
F
nS
mA
mA
A
mV
V
mV
V
OFF
C
A
A
A
A
mA
COM
V
TEMPERATURE
A
MIN MAXHOLD
REL
%
ms
Hz
RANGE
dB
dB
ac+dc
ac+dc
ac+dc
ac+dc
F
nS
mA
mA
A
mV
V
mV
V
OFF
C
A
A
A
A
mA
COM
V
TEMPERATURE
A
AutoHOLD
LOGGING
SAVECANCEL
FAST MN MX
SETUP
YES
NO
1000V
400mA
FUSED
10A MAX
FUSED
CAT
LOGGING MULTIMETER
89
CLEAR MEM
VIEW
nS
Press twice to
select nS.
tc023f.eps
Figure 3-7. Conductance Measurement
The following are some tips for measuring conductance:
• High-resistance readings are susceptible to electrical
noise. Use averaging to smooth out most noisy
readings; press M until AVG appears in the
display.
• There is normally a residual conductance reading with
the test leads open. To ensure accurate readings,
press D with the test leads open to subtract the
residual value.