INTRODUCTION
Congratulations on your purchase of Extech's 38390 AC Clamp Meter. This autoranging clamp meter measures AC
Current to 400A, DC/AC Voltage, Resistance, and Continuity. Proper use and care of this meter will yield years of reliable
service.
SAFETY
Safety Symbols
This symbol, adjacent to another symbol or
terminal, indicates the user must refer to the
manual for further information.
This symbol, adjacent to a terminal, indicates
that, under normal use, hazardous voltages
may be present
Double insulation
WARNING: This indicates that a potentially hazardous
condition which, if not avoided, could
result in death or serious injury.
CAUTION: This indicates that a potentially hazardous
condition which, if not avoided, could
result in injury or damage to the meter.
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