
6-6-1 Resistance Measurement (
Ω
)
1) Application
Resistance of resistors or circuits are measured.
2) Measuring range: X1/X10/X100/X1 k/X10 k (5ranges)
3) Measurement procedure
①
Shift the polarity reversal switch to
+
side.
②
Connect the black plug of the test lead to the
−
input terminal
and the red plug to the
+
input terminal.
③
Set the function/range selector to an appropriate
Ω
range.
④
Short the test pins, and adjust 0
Ω
・
C
∞
by turning adjuster
to have the pointer align with 0 line.
⑤
Apply the black and red test pin to the measured resistance.
⑥
Read the pointer on
Ω
scale.
⑦
After measurement, remove the red and black test pins from
the resistor measured.
6-6 Resistance Measurement Max. measurement value 50 M
Never apply voltage to the input terminals.
WARNING
At
Ω
range, the
polarity of
+
/
−
is
reverse from that
marked on the body
panel.
Be sure to use the
rated fuse for the
instrument. In case
a fuse other than
the rated one is
used, indication
errors may occur,
and/or circuit protection is become unable.
④
⑥
②
①
③
⑦
Resistor
②
Operating voltage for
Ω
range of this multitester is 3 V, so
lighting test of LED can be performed. Appropriate range is
Ω
x 10 range.
If the pointer does not move to 0 line even when the 0
Ω
adjuster is turned fully, replace the internal batteries to new
ones.
⑦
⑤
— 35 —
Содержание CX506a
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