isweek M9803R - Resistance Measurement Procedure

①.  TurntheSelectorto ResistanceandContinuityMeasurement.
②.  Connecttheleadsasshown.
③.        isnotavailableinthecontinuitytest;allotherbuttons can be used.
TheResistanceorContinuitymeasurementischangedalternativelybyeachpressthebutton .
TheResistanceMeasurementisasfollows:
1. SelecttheResistance MeasurementbyPressingthe .
2.  InserttheblackandredtestleadsintotheCOM and VΩ
Hz input terminals respectively.
3.  Selectthedesiredohms(Ω)rangeortosetauto-range.Connecttheblackandredtestprobetipsto
thecircuitordeviceunder test, makingsureitisde-energizedfirst.
4. Turn off any power to the resistor to be me asured. Discharge any capacitor. Any voltage present
during a resistance measurement will cause inaccurate readings and could damage the meter if
exceedingtheoverloadprotectionof250VDCorACrms.
5.  OpencircuitswillbedisplayedasanoverloadconditionandMSD(MostSignificationDigit)blinks.
7. The resistance in the test leads c an diminish accuracy on the lowest (400Ω) range. The error is
usually0.1to0.2 Ω for a standardpairoftestleads.Todeterminetheerror,shortthetestleadstogether
and then use the Relative mode to automatically subtract the lead resistance from resistance
measurements.
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