SAFETY INSTRUCTIONS
7
Safety Guidelines
General Guideline
CAUTION
•
Do not place any heavy object on the unit.
•
Avoid severe impact or rough handling that
leads to damaging the unit.
•
Do not discharge static electricity to the unit.
•
Do not block the cooling fan opening.
•
Do not perform measurements on circuits that
are directly connected to mains power.
•
Do not disassemble the PPH unless you are
qualified.
(Measurement categories) EN 61010-1:2001 specifies the
measurement categories and their requirements as follows. The PPH-
1503 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 range: 90VAC~264VAC
•
Frequency: 50Hz/60Hz
•
To avoid electrical shock connect the protective
grounding conductor of the AC power cord to
an earth ground.
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