Extech Instruments EX650

EX65x‐en‐GB_V1.67/16
2
TableofContents
1. INTRODUCTION 3
2. SAFETYINFORMATION 4
3. DESCRIPTIONS 6
4. OPERATION 11
PoweringtheMeter 11
DisableAutoPowerOFF 11
DisplayBacklight 11
WorkLight 11
DataHold 12
TestLeadConsiderations 12
VoltageMeasurements 12
‘LoZ’ACVoltageMeasurements 15
CurrentMeasurementsUsingtheClamp 16
µAAC/DCCurrentMeasurementsusingTestLeads 18
Non‐ContactVoltageDetector 19
ResistanceMeasurements 20
ContinuityMeasurements 22
CapacitanceMeasurements 23
FrequencyMeasurements(EX655) 25
DiodeTest 26
TemperatureMeasurements(EX655only) 27
ExtendedFunctionalityModes 28
InrushCurrentMode(EX655only) 28
DCAZERO(EX655only) 29
MAX‐MINMode 29
LowPassFilter(LPF)EX655only 30
Relative Mode 30
5. MAINTENANCE 31
6. SPECIFICATIONS 32