SAFETY INSTRUCTIONS
5
SAFETY INSTRUCTIONS
This chapter contains important safety instructions
that you must follow when operating the GPD-
3303 series and when keeping it in storage. Read
the following before any operation to insure your
safety and to keep the best condition for the GPD-
3303 series.
Safety Symbols
These safety symbols may appear in this manual or on the GPD-3303
series.
WARNING
Warning: Identifies conditions or practices that
could result in injury or loss of life.
CAUTION
Caution: Identifies conditions or practices that
could result in damage to the GPD-3303 series or
to other properties.
DANGER High Voltage
Attention Refer to the Manual
Protective Conductor Terminal
Earth (ground) Terminal
GPD-3303 Series User Manual
6
Safety Guidelines
General
Guidelines
CAUTION
• Do not place any heavy object on the GPD-3303
series.
• Avoid severe impacts or rough handling that
leads to damaging the GPD-3303 series.
• Do not discharge static electricity to the GPD-
3303 series.
• Do not block or obstruct the cooling fan vent
opening.
• Do not perform measurement at circuits directly
connected to Mains (see note below).
• Do not disassemble the GPD-3303 series unless
you are qualified as service personnel.
(Measurement categories) EN 61010-1:2001 specifies the
measurement categories and their requirements as follows. The
GPD-3303 series falls under category I.
• Measurement category IV is for measurement performed at the
source of low-voltage installation.
• Measurement category III is for measurement performed in the
building installation.
• Measurement category II is for measurement performed on the
circuits directly connected to the low voltage installation.
• Measurement category I is for measurements performed on
circuits not directly connected to Mains.
Power Supply
WARNING
• AC Input voltage: 100V/120V/220V/230V
±10%, 50/60Hz
• Connect the protective grounding conductor of
the AC power cord to an earth ground, to avoid
electrical shock.
Fuse
WARNING
• Fuse type: 100V/120V: T6.3A/250V,
220V/230V: T3.15A/250V
• Make sure the correct type of fuse is installed
before power up.
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