Service manual

i
Table of Contents
Chapter Title Page
1 Introduction and Specifications......................................................... 1-1
Introduction........................................................................................................ 1-3
Safety Considerations ........................................................................................ 1-3
Symbols ......................................................................................................... 1-5
Service Information ........................................................................................... 1-6
How to Contact fluke......................................................................................... 1-6
Specifications..................................................................................................... 1-6
General Specifications................................................................................... 1-7
Maximum Voltage and Current Inputs.......................................................... 1-8
DC and AC Voltage .................................................................................. 1-8
DC and AC Current................................................................................... 1-8
Resistance and Temperature ..................................................................... 1-8
DC Voltage.................................................................................................... 1-9
DC Current .................................................................................................... 1-10
AC Voltage.................................................................................................... 1-11
AC Current .................................................................................................... 1-13
Resistance...................................................................................................... 1-15
Temperature................................................................................................... 1-17
Read Rate and Additional Uncertainty.......................................................... 1-18
Applying the Specifications............................................................................... 1-19
Introduction ................................................................................................... 1-19
Absolute and Relative Specifications ............................................................ 1-19
Applying User’s Calibration Uncertainties ................................................... 1-20
Operating and Calibration Temperature Ranges ........................................... 1-20
Applying Temperature Coefficient Specifications ........................................ 1-20
Ratio Measurements ...................................................................................... 1-21
Additional Errors........................................................................................... 1-21
2 Theory of Operation ............................................................................ 2-1
Introduction........................................................................................................ 2-3
Overall Functional Description.......................................................................... 2-3
Main Assemblies ........................................................................................... 2-3
Power Supplies .............................................................................................. 2-6