Instructions
8845A/8846A 
Users Manual 
  ii   
Additional Errors ................................................................................  1-22 
Continuity...........................................................................................  1-22 
Diode Test .........................................................................................   1-23 
Measurement Rates (IEEE488[4]).....................................................  1-23 
2  Preparing the Meter for Operation .....................................................  2-1 
Introduction............................................................................................  2-3 
Unpacking and Inspecting the Meter.....................................................  2-3 
Contacting Fluke ...................................................................................  2-3 
Storing and Shipping the Meter.............................................................  2-3 
Power Considerations ...........................................................................   2-3 
Selecting the Line Voltage.................................................................  2-4 
Replacing the Fuses..........................................................................  2-4 
Connecting to Line Power .....................................................................   2-7 
Turning Power-On .................................................................................  2-8 
Adjusting the Bail...................................................................................  2-8 
Installing the Meter in an Equipment Rack............................................  2-8 
Cleaning the Meter ................................................................................  2-9 
3 Front-Panel Operation.........................................................................  3-1 
Introduction............................................................................................  3-3 
Controls and Indicators .........................................................................   3-4 
Front-Panel Feature Descriptions......................................................  3-4 
Display Panel.....................................................................................  3-5 
Rear-Panel Connectors .....................................................................  3-7 
Adjusting the Meter’s Range .............................................................  3-8 
Navigating the Front-Panel Menu..........................................................  3-8 
Configuring the Meter for a Measurement.............................................  3-8 
Setting the Beeper State ...................................................................  3-8 
Setting the Display Resolution...........................................................  3-9 
Setting the AC Signal Filter ...............................................................  3-9 
Setting Continuity Resistance Threshold and Diode Test 
Parameters ........................................................................................  3-10 
Setting the Default Temperature Scale (8846A Only) .......................  3-10 
Enabling High Input Impedance ........................................................  3-10 
Using the Analyze Functions.................................................................  3-11 
Collecting Statistics on Measurements..............................................  3-11 
Testing Using Limits ..........................................................................  3-12 
Setting an Offset Value......................................................................  3-13 
Using MX+B ......................................................................................  3-13 
Using TrendPlot.................................................................................  3-14 
Using the Histogram Function ...........................................................  3-15 
Controlling Trigger Functions ................................................................  3-16 
Choosing a Trigger Source................................................................  3-16 
Setting the Trigger Delay...................................................................  3-17 
Setting the Number of Samples.........................................................  3-18 
Understanding the Measurement Complete Signal...........................   3-18 
Accessing and Controlling Memory ...................................................  3-18 
Storing Readings in Memory .............................................................  3-18 
Recalling Readings from Memory .....................................................  3-20 
Storing Meter Configuration Information............................................  3-20 
Storing the Power-up Configuration ..................................................  3-21 
Recalling the Power-up Configuration ...............................................  3-21 
Removing the Power-up Configuration..............................................  3-22 










