EXTECH EX655 [14/35] Dc voltage measurements

EX65x‐en‐GB_V1.67/16

DCVoltageMeasurements 

1. Inserttheblacktestleadbananaplugintothenegative(COM)jackandtheredtestlead

bananaplugintothepositive(V/Ω)jack.

2. MovetheFunctionSwitchtothe

position.

3. UsetheMbuttontoselectDC.

4. ReadtheWarningandCautionstatementsatthebeginningoftheVoltageMeasurement

sectiontodeterminewhetherornottousethetestleadprobecovers.

5. Touchthetestprobetipstothecircuitundertest.Besureto

observethecorrectpolarity

(redleadtopositive,blackleadtonegative).

6. Readthedigitalvalueandthebargraphrepresentation(EX655)ofthemeasurementin

thedisplay.Thedisplaywillalsoindicatetheproperdecimalpoint(AutoRange)and

measurementtype/unitssymbols.Ifthepolarityisreversed,the

displaywillshow(‐)

minusbeforethevalue.

7. Notethevoltagealertsymbol

whenvoltageispresent.

8. ThemeteriscapableofdetectingDCvoltagesto1000V.

AC DC



Fig4‐2DCVOLTAGEMEASUREMENTS