User's Manual
Extech Instruments
4 GX900-GX930-EN V1.1 5/14
TABLEOFCONTENTS
INTRODUCTION.................................................................................................2
GX900‐KEYFEATURES.....................................................................................2
GX930‐KEYFEATURES.....................................................................................3
TABLEOFCONTENTS........................................................................................4
SAFETY..............................................................................................................7
INTERNATIONALSAFETYSYMBOLS..................................................................7
IEC1010OVERVOLTAGEINSTALLATIONCATEGORIES......................................7
CAUTIONS.........................................................................................................8
SAFETYINSTRUCTIONS–INPUTPROTECTIONLIMITS......................................9
FCCCOMPLIANCE...........................................................................................10
INDUSTRYCANADA(IC)
COMPLIANCE...........................................................11
DIGITALMULTIMETERINSTRUCTIONS.............................................................12
DESCRIPTIONS................................................................................................12
METERDESCRIPTION......................................................................................12
INPUTTERMINALDESCRIPTION.....................................................................12
KEYPADDESCRIPTION.....................................................................................13
LCDDISPLAYDESCRIPTION.............................................................................14
QUICKSTARTGUIDE.......................................................................................15
MEASUREMENTS............................................................................................16
DCVOLTAGEMEASUREMENTS.......................................................................16
ACVOLTAGEMEASUREMENTS.......................................................................17
dBm/dBVACMEASUREMENTS.......................................................................17
LOW
PASSFILTERFORACVMEASUREMENTS................................................18