Fluke 312 - Measuring AC Current

312, 316, 318
8
Measuring AC Current
1. Turn the rotary function switch to the proper current range.
2. Press
A(316, 318 only) to measure ac current if necessary.
3. Open the clamp by pressing the clamp-opening trigger and
insert the conductor to be measured into the clamp.
4. Close the clamp and center the conductor using the alignment
marks.
5. View the reading on the LCD.
TRUE RMS
CLAMP METER
318
AC/DC MIN MAXREL
OFF
40
A
400
A
1000
A
V
PEAK HOLD
OFF
PEAK HOLD
TRUE RMS
CLAMP METER
318
A
C
/D
C
M
IN
M
A
X
R
E
L
OFF
40
A
400
A
1000
A
V
PEAK
HOLD
OFF
PEAK
HOLD
Tactile
Barrier
aca13f.eps
Figure 3. Connecting the Clamp Meter (318 shown)