Extech Instruments GX900 Manual

A SERVICE OF

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ExtechInstruments

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



LOWPASSFILTERFORACVMEASUREMENTS

ThemeterisequippedwithaLowPassFilterforAC

measurements.Toactivatethefilterpleasefollowthesteps

below:

1. SettherotaryswitchtotheV~position

2. PresstheF1key(MENU)

3. MovethemenuselectortotheLOWPASSfieldandthen

pressOK

4.

SelectLPF(LowPassFilter)andthenpressOK

5. PresstheF3key(RANGE)andthenpresstheF2key(MANUAL)

6. Movethemenuselectortothe500VfieldandpresstheOKkey

DC/ACMILLIVOLTMEASUREMENTS

CAUTION:DonotmeasureDC/ACvoltagesifamotoronthecircuitisbeingswitchedONorOFF.Large

voltagesurgesmayoccurthatcandamagethemeter.

1. SetthefunctionswitchtothemVposition.

2. PresstheF1key(MENU),movethemenuselectortothemenuitemlabeledmVDC

ormVAC,andthenpresstheOKkey

3. SelectmVDCormVACfromthekeyoptionsandpresstheOKkey.

4. Inserttheblack

testleadbananaplugintothenegativeCOMjack.

5. InserttheredtestleadbananaplugintothepositiveVjack.

6. Touchtheblacktestprobetiptothenegativesideofthecircuit.

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

8. Readthevoltageinthedisplay.