EXTECH EX655 [5/35] Safety symbols that are typically marked on meters and instructions

EX65x‐en‐GB_V1.67/16

SafetySymbolsthataretypicallymarkedonmetersandinstructions



Thissymbol,adjacenttoanothersymbol,indicatestheusermustrefertothe

manualoruserguideforfurtherinformation.



Riskofelectricalshock



Fusesymbol

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Equipmentprotectedbydoubleorreinforcedinsulation

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LowBatterysymbol

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ConformstoEUdirectives



Donotdiscardthisproductinhouseholdtrash.

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ACmeasurement

DCmeasurement

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Earthground

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UnsafeVoltageAlert

Whenthemeterdetectsavoltageequaltoorgreaterthan30Voravoltageoverload(OL)inVorLoZmode,

thesymbol

isdisplayed.Thissystemwasdesignedtoalerttheuserofapotentiallyhazardousvoltage.

PERIEC1010OVERVOLTAGEINSTALLATIONCATEGORY

OVERVOLTAGECATEGORYI

EquipmentofOVERVOLTAGECATEGORYIisequipmentforconnectiontocircuitsinwhichmeasuresare

takentolimitthetransientover‐voltagestoanappropriatelowlevel.

Note–Examplesincludeprotectedelectroniccircuits.

OVERVOLTAGECATEGORYII

EquipmentofOVERVOLTAGECATEGORYIIisenergy‐consumingequipmentto

besuppliedfromthefixed

installation.

Note–Examplesincludehousehold,office,andlaboratoryappliances.

OVERVOLTAGECATEGORYIII

EquipmentofOVERVOLTAGECATEGORYIIIisequipmentinfixedinstallations.

Note–Examplesincludeswitchesinthefixedinstallationandsomeequipmentforindustrialusewith

permanentconnectiontothefixedinstallation.

OVERVOLTAGECATEGORYIV

EquipmentofOVERVOLTAGECATEGORYIVisforuseattheoriginoftheinstallation.

Note–Examplesincludeelectricitymetersandprimaryover‐currentprotectionequipment