3.4 Connecting the Power Cord
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3
Chapter 3 Measurement Preparations
Be sure to read the "Usage Notes" (p. 5) before connecting power.
Connect the power cord to the power inlet on the instrument, and plug it into an outlet.
Ground the instrument's functional earth.
Connect the functional ground terminal to a clean common ground to suppress noise effects when mea-
suring in an electrically noisy environment. When measuring AC power lines using a VT (PT), connect the
PT ground to the same grounding point.
3.4 Connecting the Power Cord
Connection Procedure
Plug the power cord into the mains outlet.
Back side of the instrument
1. Check that the instrument’s power switch is turned
off.
2. Confirm that the line voltage matches instrument
requirements, and plug the power cord into the
power inlet on the instrument.
3. Plug the other end of the power cord into an outlet.
Turn off the power before disconnecting
the power cord.
Power Inlet
Power cord
About the outlet with ground pin
3.5 Grounding the Instrument's Functional
Earth (when measuring in noisy envi-
ronments)
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