INSTALLATION
18
CHAPTER 4 : INSTALLATION
This section contains information for the unpacking, inspection, preparation for use and
storage of your Extech Electronics Co., Ltd. product.
4.1 Unpacking and Inspection
If the shipping carton is damaged, inspect the contents for visible damage such as dents,
scratches or broken meters. If the instrument is damaged, notify the carrier and the
Extech Electronics Co., Ltd. customer support department immediately. Please save the
shipping carton and packing material for the carriers inspection. Our customer support
department will assist you in the repair or replacement of your instrument. Please do not
return your product without first notifying us and receiving an RMA (return material
authorization) number.
4.2 PREPARATION FOR USE
4.2.1
Power Requirements and Line Voltage Selection
This instrument requires a power source of either 115 volts AC ± 15%, 47-63 Hz single
phase or 230 volts AC ±15%, 47-63 Hz single phase. Please check the rear panel to be
sure the proper switch setting is selected for your line voltage requirements before
turning your instrument on.
Do not switch the line voltage selector switch located on the rear panel
while the instrument is on or operating. This may cause internal
damage and represents a safety risk to the operator.
NOTE:
For operation at 115 and 230 Volts AC use a 2A slow-blow fuse.
Power Cable
BEFORE CONNECTING POWER TO THIS INSTRUMENT, THE
PROTECTIVE GROUND (EARTH) TERMINALS OF THIS INSTRUMENT
MUST BE CONNECTED TO THE PROTECTIVE CONDUCTOR OF THE
LINE (MAINS) POWER CORD. THE MAIN PLUG SHALL ONLY BE INSERTED IN A
SOCKET OUTLET (RECEPTACLE) PROVIDED WITH A PROTECTIVE GROUND (EARTH)
CONTACT. THIS PROTECTIVE GROUND (EARTH) MUST NOT BE DEFEATED
BY THE
USE OF AN EXTENSION CORD (POWER CABLE) WITHOUT A PROTECTIVE CONDUCTOR
(GROUNDING).
This instrument is shipped with a three-wire power cable. When this cable is connected
to an appropriate AC power source, this cable connects the chassis to earth ground. The
type of power cable shipped with each instruments depends on the country of destination.
CAUTION
WARNING
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