4.9
Frequency Measuring Using
Voltage Input
• Turn the rotary range switch to the
• 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.
Clamp-on Meter Models 501 and 503
range.
"
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