EXTECH EX655 [20/35] Resistance measurements

EX65x‐en‐GB_V1.67/16

ResistanceMeasurements

CAUTION:SwitchOFFpowertothedeviceundertestbeforemeasuring.Donotteston

circuitsordeviceswhere60VDCor30VACispresent.

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

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

2. TurntheFunctionSwitchtotheΩposition.

3. UsetheMbuttontoselecttheΩicononthedisplayindicatingresistanceonly

(without

thecontinuity/diode/capacitanceiconsshowing).

4. Touchthetestprobetipsacrossthecircuitorpartundertest.Itisbesttodisconnectone

sideofthepartundertestsotherestofthecircuitwillnotinterferewiththeresistance

reading.

5. Readtheresistancevalueinthe

display.Thedisplaywillindicatetheproperdecimal

pointandvalue.Ifthereadingisoutofrange,theOLdisplayiconwillappear.



Fig4‐6RESISTANCEMEASUREMENTS

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