Fluke ScopeMeter 190 Series III, Service Manual

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Table of Contents
Title Page
Introduction................................................................................................................................... 1
Contact Fluke ............................................................................................................................... 1
Safety Information...................................................................................................................... 1
Static Awareness ........................................................................................................................ 2
Specifications .............................................................................................................................. 3
Performance Verification......................................................................................................... 3
Equipment Requirements for Verification ................................................................ 4
General Operation Instructions .................................................................................... 4
Reset the Test Tool .................................................................................................. 4
Menu Navigation........................................................................................................ 5
Standard Test Tool Setup...................................................................................... 5
Scope Input A, B, C, D Tests........................................................................................... 7
Input A, B, C, D Vertical Accuracy Test ............................................................. 7
Input A, B, C, D DC Voltage Accuracy Test...................................................... 10
Input A, B, C, D AC Voltage Accuracy Test (LF).............................................. 12
Input A, B, C, D AC-Coupled Lower Frequency Test.................................... 15
Input A, B, C, D Peak Measurements Test........................................................ 16
Input A, B, C, D Frequency Measurement Accuracy Test.......................... 17
Input A&B / C&D Phase Measurements Test.................................................. 18
Time Base Test........................................................................................................... 19
Input A, B, C, D Trigger Sensitivity Test ............................................................ 20
Input A AC Voltage Accuracy (HF) and Bandwidth Test ............................. 24
Input B AC Voltage Accuracy (HF) and Bandwidth Test ............................. 25
Input C AC Voltage Accuracy (HF) and Bandwidth Test............................. 26
Input D AC Voltage Accuracy (HF) and Bandwidth Test............................. 27
External Trigger Level Test ............................................................................................ 28
Meter Tests .......................................................................................................................... 29
Meter DC Voltage Accuracy Test ....................................................................... 29
Meter AC Voltage Accuracy and Frequency Response Test................... 30
Continuity Function Test................................................................................................. 31
Diode Test Function Test....................................................................................... 31
Ohms Measurements Test .................................................................................... 31
Probe Calibration Generator Test....................................................................... 33