Fluke 8845A, User Manual

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Contents
(continued)
iii
Controlling System-Related Operations ............................................................ 3-23
Identifying Meter Errors................................................................................ 3-23
Querying the Firmware for Revision Level................................................... 3-24
Adjusting Display Brightness........................................................................ 3-24
Setting the Meter’s Date and Time................................................................ 3-24
USB Operation .............................................................................................. 3-24
USB Storage Capacity and Write Time......................................................... 3-24
USB Memory Device Compatibility and Special Instruction ....................... 3-25
Configuring the Remote Interface ..................................................................... 3-25
Checking the Meter’s Calibration Date ............................................................. 3-25
Resetting the Meter’s Default Settings .............................................................. 3-27
4 Making Measurements ........................................................................ 4-1
Introduction........................................................................................................ 4-3
Selecting Function Modifiers............................................................................. 4-3
Activating the Secondary Display ..................................................................... 4-3
Measuring Voltage............................................................................................. 4-4
Measuring DC Voltage.................................................................................. 4-4
Measuring AC Voltage.................................................................................. 4-5
Measuring Frequency and Period ...................................................................... 4-7
Measuring Resistance ........................................................................................ 4-7
Making a Two-wire Resistance Measurement .............................................. 4-8
Making a Four-wire Resistance Measurement .............................................. 4-8
Measuring Current ............................................................................................. 4-10
Measuring DC Current .................................................................................. 4-11
Measuring AC Current .................................................................................. 4-12
Measuring Capacitance (8846A only) ............................................................... 4-13
Measuring RTD Temperature (8846A only) ..................................................... 4-14
Testing Continuity ............................................................................................. 4-15
Checking Diodes................................................................................................ 4-16
Making a Triggered Measurement..................................................................... 4-17
Setting the Trigger Mode............................................................................... 4-17
Setting a Trigger Delay ................................................................................. 4-17
Setting Number of Samples per Trigger........................................................ 4-17
Connecting an External Trigger .................................................................... 4-18
Monitoring the Measurement-Complete Signal................................................. 4-18
Appendices
A 2X4 Test Leads............................................................................................ A-1
B Errors........................................................................................................... B-1
C RS-232 Port Connections ............................................................................ C-1
D Analog Filter Applications .......................................................................... D-1
Index