Clamp-on Meter Models 501 and 503
15
4.3 AC Volt Measurement
WARNING:
Maximum Input Voltage is 600V. Do
not exceed this voltage to avoid electrical shock
and/or damage to the instrument.
• Turn the rotary range switch to the
range.
• Insert the red test lead to the red "
+
" input jack and
the black lead to the black "
COM
" input jack.
• Bring the test probe tips into contact with the test
points.
• If reading is unstable and is hard to read, push the
HOLD
button and read the measurement.
WARNING:
Immediately unclamp the meter
from the conductor under test if overload " "
is displayed.
®
I N S T R U M E N T S
MODEL 501
CLAMP METER
V
V
A
OFF
Hz
HOLD
Ω
H
600V CAT II
300V CAT III
400A
0
10
AUTO
V
1 1 0 0
CAT II
600V
!
COM
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