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and creates a hazardous condition.
Use the following sequence when measuring high energy circuits:
1.
De-energize the circuit using the regular installed connect-disconnect device, such as a circuit
breaker, main switch, etc.
2.
Attach the test leads to the circuit under test. Use appropriate safety rated test leads for this
application.
3.
Set the multimeter to the proper measurement function and range.
4.
Energize the circuit using the installed connect-disconnect device and make measurements
without disconnecting the multimeter.
5.
De-energize the circuit using the installed connect-disconnect device.
6.
Disconnect the test leads from the circuit under test.
WARNING: The maximum common-mode voltage (voltage between INPUT LO and the chassis
ground) is 500V peak. Exceeding this value may cause a breakdown in insulation,
creating a shock hazard.
2.6.4
Power-on Defaults
Model DMM uses the factory default settings for the power-on settings.
Since the basic measurement procedures in this manual assume the factory defaults, reset the instrument
to the factory settings when following step-by-step procedures. Table 2-2 lists the factory default settings.
ABM-4082
17
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