Amprobe AD40B AC40B Mini-Clamp-Meters User Manual
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3
➊
Transformer Jaws: Designed to pick up the AC current
flowing through the conductor.
➋
Jaw Opening Lever: Press lever to open transformer jaws.
When pressure on lever is released, the jaws will close again.
➌
Selector Switch: Turns instrument on and off and selects the
measuring function.
➍
AC/DC selector switch (AC40C): With the selector switch set
to voltage measurement, this button selects between AC
and DC voltage.
➎
Data Hold Switch: Holds reading for all functions and
ranges. Press again to release HOLD before taking a new
measurement.
➏
Digital Display: 3-3/4 digit LCD (max reading 3999) with
decimal point, low battery N, Auto-range, Data Hold l,
and unit indicators, plus, for the AC meter: ACB, DCF,
Polarity — ) and continuity R.
➐
Input Terminals (AC meters): Connect the black test lead
to the “COM” input and red lead to the “+” input when
measuring voltage, resistance and continuity (AC40C).
AC40C
AD40B
CAT III
600V
COM
600V
MAX
400A
CAT 600V
MAX
HOLD
AC
DC
A
10
0
20
40
30
CAT III
600V
MAX
400A
CAT 600V
HOLD
A
10
0
20
40
30
1
3
6
7
5
2
2
4