Disabling Auto Power Off (Model 503 Only); Ac Current Measurement - AEMC Instruments 501 Manual De Instrucciones

4.1.4 Disabling Auto Power Off
• Start in OFF setting, then press and hold ZERO button.
• Power the meter on by selecting a range.
• The next time the meter is turned on, the auto-off func-
tion will be re-activated.
4.2

AC Current Measurement

NOTE: Remove the test leads before measuring current
• Turn the rotary range switch to the
• Press the lever to open the jaws.
• Clamp the jaws around the conductor to be measured.
• If reading is unstable and is hard to read, push the
HOLD button and read the measurement.
WARNING: If overload "
unclamp the meter immediately .
14
Clamp-on Meter Models 501 and 503
(Model 503 only)
range.
" is displayed,