Measuring Resistance - Fluke 87 Series IV User Manual

Model 87 & 89 Series IV
Users Manual
89 LOGGING MULTIMETER
AutoHOLD FAST MN MX LOGGING
HOLD HOLD MIN MAX MIN MAX REL REL
CANCEL SAVE
Hz Hz % % ms ms RANGE RANGE
SETUP
nS nS
F F
mV mV
V V C C
ac+dc ac+dc
ac+dc ac+dc
A A
V V mA mA
ac+dc ac+dc
mV mV
dB dB
A A
V V
mA mA
dB dB
A A
OFF OFF
ac+dc ac+dc
VIEW
CLEAR MEM
TEMPERATURE TEMPERATURE
mA mA
A A COM COM
A A
10A MAX
CAT
400mA
FUSED
FUSED 1000V
Figure 3-4. DC Voltage Measurement
3-6
YES
NO
A A
ac+dc ac+dc
V V
+
tc002f.eps

Measuring Resistance

Caution
To avoid possible damage to the meter or to
the equipment under test, disconnect circuit
power and discharge all high-voltage
capacitors before measuring resistance.
Resistance is an opposition to current flow. The unit of
resistance is the ohm ( ). The meter measures resistance
by sending a small current through the circuit.
The meter's resistance ranges are 500.00
50.000 k , 500.00 k , 5.0000 M , and 30.000 M .
To measure resistance, set up the meter as shown in
Figure 3-5.
All pushbutton functions are available with resistance
measurements. The blue key cycles to continuity and
conductance measurement, which are described later in
this chapter.
, 5.0000 k ,