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TRMS Clamp-on Meter Model 502
15
4.7 Frequency Measuring Using
Voltage Input
• Turn the rotary range switch to the
range.
• Insert 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
sample under test.
WARNING:
Immediately unclamp the
meter from the conductor under test if
overload " " is displayed.
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