7½ Digit Multimeter User's Manual Section 2: Front-panel
DMM7510-900-01 Rev. C / September 2019 2-3
INPUT terminals
Use the INPUT HI and INPUT LO terminals for all measurements
except current.
Use the AMPS connection with the INPUT LO terminal to
measure ≤3 A DC or AC
RMS
current.
FRONT/REAR
TERMINALS switch
Activates the terminals on the front or rear panel. When the
front-panel terminals are active, a green “F” is visible to the left of
the FRONT/REAR switch. When the rear-panel terminals are
active, a yellow “R” is visible to the left of the switch.
Instrument power
Follow the steps below to connect the DMM7510 to line power and turn on the instrument. The
DMM7510 operates from a line voltage of 100 V to 240 V at a frequency of 50 Hz or 60 Hz. It
automatically senses line voltage and frequency. Make sure the operating voltage in your area
is compatible.
You must turn on the DMM7510 and allow it to warm up for at least 90 minutes to achieve
rated accuracies.
Operating the instrument on an incorrect line voltage may cause damage to the instrument,
possibly voiding the warranty.
The power cord supplied with the DMM7510 contains a separate protective earth (safety
ground) wire for use with grounded outlets. When proper connections are made, the
instrument chassis is connected to power-line ground through the ground wire in the power
cord. In the event of a failure, not using a properly grounded protective earth and grounded
outlet may result in personal injury or death due to electric shock.
Do not replace detachable mains supply cords with inadequately rated cords. Failure to use
properly rated cords may result in personal injury or death due to electric shock.
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