User's Manual
Extech Instruments
5 GX900-GX930-EN V1.1 5/14
DC/ACMILLIVOLTMEASUREMENTS..............................................................18
CURRENTCLAMPMEASUREMENTS...............................................................19
DCCURRENTMEASUREMENTS......................................................................20
ACCURRENTMEASUREMENTS......................................................................21
RESISTANCEMEASUREMENTS........................................................................22
CONTINUITYCHECK........................................................................................23
DIODETEST.....................................................................................................23
TEMPERATUREMEASUREMENTS...................................................................24
CAPACITANCEMEASUREMENTS....................................................................25
FREQUENCY,DUTYCYCLE,PULSEWIDTH,andPERIODMEASUREMENTS
(ELECTRONIC).................................................................................................25
RPMMEASUREMENTS...................................................................................26
COUNTERMEASUREMENTS...........................................................................26
FUNCTIONSANDFEATURES............................................................................27
FUNCTIONMENUBASICS...............................................................................27
THE‘HELP’UTILITY.........................................................................................27
AUTOMATICANDMANUALRANGING...........................................................28
ACANDDCSIGNALS.......................................................................................28
MINIMUM(MIN)ANDMAXIMUM(MAX)READINGS....................................29
CAPTURINGPEAKVALUES..............................................................................30
RELATIVEMODE
.............................................................................................30
DATAHOLDANDAUTO‐HOLDMODE............................................................31
STORINGINDIVIDUALSCREEN‐SHOTS.............................................................31
VIEWINGMEMORYDATA...............................................................................31
VIEWTRENDDATA.........................................................................................32
RECORDINGMEASUREMENTS(DATALOGGING)..............................................33