4
Clamp-on Meter Models 501 and 503
CHAPTER 1
INTRODUCTION
Warning
● Read the user manual before operating and
follow all safety information.
● Only use the meter as specified in this user
manual.
● Never use this meter on a circuit with volt
-
ages greater than 600Vrms @ 50/60Hz.
● Never measure current while the test leads
are connected to the input jacks.
● Do not operate the meter if the body or test
leads look damaged.
● Check the rotary range switch and make
sure it is at the correct position before each
measurement.
● Do not perform resistance and continuity
test on a live circuit.
● Use extreme caution when measuring live
systems with voltages greater than 60V
DC
or
30V
AC
.
● Use extreme care when working around bus
bars and bare conductors.
● Do not use the meter in over range/overload
conditions (OL).
● For accurate readings, change the battery
when the
symbol appears.
Summary of Contents for 501N
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