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Extech Instruments EX355 User Manual

Extech Instruments EX355
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Page #16 background image
EX35xenGB_V1.212/15
16
ContinuityMeasurements
1. InserttheblacktestleadintothenegativeCOMterminalandtheredtestleadintothe
positiveterminal.
2. Setthefunctionswitchtothe position.
3. UsetheMbuttontoselecttheContinuitymode.LookfortheContinuityicon onthe
display.
4. Touchthetestprobetipsacrossthewireorcircuitundertest.
5. Thecontinuitythresholdisbetween10Ωand100.Formeasurementsbelow10Ωthe
buzzerwillalwayssound.Formeasurementsabove400Ω(600ΩforEX355)theOLwill
alwaysdisplay.
CapacitanceMeasurements
WARNING:Toavoidelectricshock,removepowertothecircuitundertestanddischargethe
capacitorundertestbeforemeasuring.Donottestoncircuitsordeviceswhere60VDCor
30VACispresent.
1. Setthefunctionswitchtothe
capacitanceposition.
2. InserttheblacktestleadbananaplugintothenegativeCOMjack
andtheredtestleadbananaplugintothepositive
jack.
3. PresstheMbuttontoselecttheunitofmeasuresymbolF.
4. Touchthetestprobetipsacrossthepartundertest.
5. Readthecapacitancevalueinthedisplay.
6. Thedisplaywillindicatetheproperdecimalpointandvalue.
Note:Forlargevaluesofcapacitance
severalsecondsmayberequiredbeforethereading
stabilizes.
Fig47CAPACITANCEMEASUREMENTS
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Extech Instruments EX355 Specifications

General IconGeneral
TypeDigital Multimeter
Max Voltage600V
DC Voltage600V
AC Voltage600V
Max Current10A
DC Current10A
AC Current10A
Resistance MeasurementYes
Resistance40MΩ
Capacitance MeasurementYes
Frequency MeasurementYes
Frequency10MHz
Temperature MeasurementYes
Data HoldYes
BacklightYes
Diode TestYes
ContinuityYes
Battery Type9V
Safety RatingCAT III 600V
DisplayLCD
Capacitance100μF

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