Extech Instruments GX900 Manual

A SERVICE OF

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ExtechInstruments

19 GX900-EU-EN V1.6 4/14



ACCURRENTMEASUREMENTS

CAUTION:Donotmake20Acurrentmeasurementsforlongerthan30seconds.Exceeding30secondsmay

causedamagetothemeterand/orthetestleads.

1. Inserttheblacktestleadbananaplugintothenegative

COMjack.

2. Forcurrentmeasurementsupto5000µAAC,setthe

functionswitchtotheµApositionandinserttheredtest

leadbananaplugintotheµA/mAjack.PresstheF1key

(MENU)andselectuAAC,Pressthe

OKkey.

3. Forcurrentmeasurementsupto500mAAC,setthe

functionswitchtothemApositionandinserttheredtest

leadbananaplugintotheµA/mAjack.PresstheF1key

(MENU)andselectmAAC,PresstheOKkey.

4. Forcurrentmeasurementsupto10AAC,

setthefunction

switchtothe10Apositionandinserttheredtestlead

bananaplugintothe10Ajack.PresstheF1key(MENU)

andselectAAC,PresstheOKkey.

5. PressthekeylabeledMENU,movethemenuselectorto

theitemlabeledAC,andthenpressthe

OKkey

6. Removepowerfromthecircuitundertest,thenopenup

thecircuitatthepointwherecurrentistobemeasured.

7. Touchtheblacktestprobetiptotheneutralsideofthecircuit.Touchtheredtest

probetiptothe“hot”sideofthe

circuit.

8. Applypowertothecircuit.

9. Readthecurrentinthedisplay.