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2
Getting Started
Power Supply Requirements
Line Power Requirements
CAUTION
22
Line Power Requirements
The instrument complies with Overvoltage Category II and can operate
from the single-phase AC power source that supplies between 100 V and
240 V at a frequency in the range 50/60 Hz. The maximum voltage
fluctuation is 10% of the nominal supply voltage. The maximum power
consumption is 60 VA with all options installed.
Line Power Cable
In accordance with international safety standards, the instrument has a
three-wire power cable. When connected to an appropriate AC power
receptacle, this cable earths the instrument cabinet.
Please note that the switch on the front panel of the instrument does not
stop the flow of power to the instrument.
If you need to turn off the power, unplug the instrument at the mains or
remove the power cable connector from the appliance coupler at the rear
of the instrument. For this reason, the power cable connection should be
easily accessible - allowing you to turn off the power quickly. If the
instrument is in a cabinet, it must be disconnected from the line power
by the system's line power switch.
The power switch allows you to switch between stand-by mode and
power-on mode.
Figure 3
Power LED on the Front Panel of the Instrument
Keysight N778-C Series Polarization Instruments User's Guide
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