Table Of Contents - Extech Instruments EX420-NIST User Manual

Table of Contents

International Safety Symbols2
Overvoltage Category4
Safety Instructions4
Controls And Jacks5
Symbols And Annunciators5
Dc Voltage Measurements6
Ac Voltage Measurements7
Dc Current Measurements7
Ac Current Measurements8
Resistance Measurements8
Continuity Check9
Diode Test9
Capacitance Measurements9
Frequency Measurements10
Duty Cycle10
Contact Temperature Measurements10
Display Backlight11
Specifications12
Maintenance14
Battery Replacement14
Replacing The Fuses15