Performance Test And Calibration - Fluke 8845A Calibration Manual

Performance Test and Calibration

Introduction........................................................................................................ 3-3
Required Equipment .......................................................................................... 3-3
Test Considerations............................................................................................ 3-5
Performance Tests.............................................................................................. 3-5
Volts DC Verification.................................................................................... 3-5
Volts AC and Frequency Verification ........................................................... 3-8
4-Wire Ohms Verification ............................................................................. 3-12
2-Wire Ohms Verification ............................................................................. 3-14
2X4 Test Lead Verification Steps ................................................................. 3-16
Rear Panel Terminal Verification Steps ........................................................ 3-16
Capacitance Verification Steps (8846A only) ............................................... 3-19
DC Current Verification Steps ...................................................................... 3-20
AC Current Verification Steps ...................................................................... 3-23
Adjustment (Calibration) ................................................................................... 3-25
Unlocking the Meter for Front-Panel Adjustments (Calibration).................. 3-25
Unlocking the Meter for Adjustments Over a Remote Interface................... 3-26
Changing the Calibration Password .............................................................. 3-26
Resetting the Calibration Password............................................................... 3-26
Equipment for Calibration ............................................................................. 3-27
Adjustment Process ....................................................................................... 3-27
Aborting a Calibration Process...................................................................... 3-33
Sample Adjustment Program......................................................................... 3-33
Title
Chapter 3
Page
3-1