iET PRS-330 series, Operation Manual, Page: 20 / 67

OPERATION
PRS-330 Series
8
The rear panel has an IEC inlet module for con-
nection to mains power, GPIB, USB and Ethernet
interfaces and rear binding posts.
Rear Panel
Model
Ref. Description
1 IET Inlet Module
2 GPIB, USB and LAN Interfaces
3 Rear Binding Posts
3.1.6 Power Connections
Power connection to the rear panel is through
an ac inlet module comprised of an ac connector
and fuse drawer.
Always use an power cord and outlet that has a
properly connected protection ground to avoid
shock. The PRS-330 is provided with a 3-prong
power cord with ground.
Plug the supplied IEC power cord into the instru-
ment into a power receptacle that has a ground.
The power cord may of course be selected to
match the available receptacle.
Con fi rm that the power supplied to the PRS-
330 meets the following requirements
Power requirements:
90 - 264 Vac , 47 - 63 Hz., 30 W. Max.
Fuse
Only replace fuse with the same type and rat-
ing.
UL/CSA type, T 0.8 A,250 V, 5 x 20 mm
3.1.7 Environmental
Do not operate the instrument in the presence
of
fl ammable gasses or fumes.
The PRS-330 is for indoor use only.
To ensure that the safety requirements, the speci-
fi cations, and the measurement accuracy of the
PRS-330 are met, you must maintain the environ-
mental temperature to within the speci
fi ed range
by providing an appropriate cooling clearance
around the PRS-330 or, for the rack-mounted
type, by forcefully air-cooling inside the rack
housing, if necessary.
Temperature and Humidity
Operating: 10°C to 40°C; <80% RH
non-condensing
Storage: -40°C to 70°C ; <90% RH
non-condensing
Altitude
Operating: 0 - 2000 m; storage: 0 - 4600 m
3.1.8 Safety Considerations
Refer to the Safety Summary page at the begin-
ning of this guide for general safety informa-
tion. Before installation or operation, review
this guide for safety warnings and instructions.
Safety warnings for speci
fi c procedures are
located at appropriate places throughout this
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