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Power Quality Analyzer Model 3945-B
5
CHAPTER 1
INTRODUCTION
Warning
• Never use on circuits with a voltage higher than 600V and an overvoltage
categoryhigherthanCat.IIIorIV(probedependant)
• Use in indoor environments only.
• Only use accessories that are compliant with the safety standards
(IEC664-1Ed.92)600VminandovervoltageCat.IIIorIV.
• Onlyusefactoryspeciedreplacementparts.
• Always disconnect the power cord, measurement leads and sensors be-
fore replacing the battery.
1.1 International Electrical Symbols
This symbol signifies that the instrument is protected by double or reinforced
insulation.
This symbol on the instrument indicates a WARNING and that the operator must
refer to the user manual for instructions before operating the instrument. In this
manual, the symbol preceding instructions indicates that if the instructions are
not followed, bodily injury, installation/sample and product damage may result.
Risk of electric shock. The voltage at the parts marked with this symbol may
be dangerous.
This symbol refers to a type A current sensor. This symbol signifies that applica-
tion around and removal from HAZARDOUS LIVE conductors is permitted.
This symbol refers to a type B current sensor. Do not apply around or remove
from HAZARDOUS LIVE conductors without additional protective means (de-
energizing the circuit or wearing protective clothing suitable for high voltage
work).
In conformity with WEEE 2002/96/EC