User manual

DMM4020
Users Manual
ii
Environment .................................................................................................. 1-14
Triggering...................................................................................................... 1-14
Math Functions.............................................................................................. 1-14
Electrical........................................................................................................ 1-14
Remote Interfaces.......................................................................................... 1-14
Warranty........................................................................................................ 1-14
Electrical Specifications .................................................................................... 1-15
DC Voltage Specifications ............................................................................ 1-15
AC Voltage Specifications ............................................................................ 1-16
Resistance...................................................................................................... 1-17
DC Current .................................................................................................... 1-17
AC Current .................................................................................................... 1-18
Frequency ...................................................................................................... 1-19
Continuity...................................................................................................... 1-19
Diode Test ..................................................................................................... 1-19
2 Preparing the Meter for Operation ..................................................... 2-1
Introduction........................................................................................................ 2-3
Unpacking and Inspecting the Meter ................................................................. 2-3
Storing and Shipping the Meter ......................................................................... 2-3
Power Considerations ........................................................................................ 2-3
Selecting the Line Voltage ............................................................................ 2-4
Replacing the Fuses....................................................................................... 2-4
Line-Power Fuse ....................................................................................... 2-4
Current-Input Fuses................................................................................... 2-5
Connecting to Line Power ................................................................................. 2-7
Turning Power On ............................................................................................. 2-7
Adjusting the Bail .............................................................................................. 2-8
Installing the Meter into an Equipment Rack .................................................... 2-9
Cleaning the Meter............................................................................................. 2-9
Fluke 45 Emulation Mode ................................................................................. 2-10
Illuminating All Display Segments.................................................................... 2-10
3 Operating the Meter from the Front Panel ........................................ 3-1
Introduction........................................................................................................ 3-2
Dual Display ...................................................................................................... 3-5
Primary Display............................................................................................. 3-5
Secondary Display......................................................................................... 3-5
Rear Panel .......................................................................................................... 3-7
Adjusting Meter Range...................................................................................... 3-8
Selecting a Measurement Rate........................................................................... 3-8
Selecting a Measurement Function.................................................................... 3-8
Measuring Voltage ........................................................................................ 3-8
Measuring Frequency .................................................................................... 3-9
Frequency Ranging........................................................................................ 3-9
Measuring Resistance.................................................................................... 3-9
2-Wire Resistance Measurement............................................................... 3-10
4-Wire Resistance Measurement............................................................... 3-11
Measuring Current......................................................................................... 3-12
Automatic Input Terminal Detection............................................................. 3-13
Diode / Continuity Testing ............................................................................ 3-13
Making a Triggered Measurement ................................................................ 3-15
Setting the Trigger Mode .......................................................................... 3-15
Connecting to an External Trigger............................................................ 3-15