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Table of Contents
Chapter Title Page
1 Introduction and Specifications........................................................ 1-1
Introduction ....................................................................................................... 1-1
Specifications .................................................................................................... 1-1
2 Theory of Operation........................................................................... 2-1
Introduction ....................................................................................................... 2-1
Analog Measurement IC (U1)........................................................................... 2-1
Microcomputer IC (U2)..................................................................................... 2-3
Automatic Selection Input Resistance............................................................... 2-3
3 Maintenance....................................................................................... 3-1
Introduction ....................................................................................................... 3-1
Disassembly and Reassembly............................................................................ 3-1
Cleaning............................................................................................................. 3-6
Performance Tests............................................................................................. 3-6
Calibration Adjustments for Models 12B and 18.............................................. 3-9
Calibration Adjustments for Models 7-300 and 7-600...................................... 3-10
4 Parts and Schematics........................................................................ 4-1
Introduction ....................................................................................................... 4-1
How to Obtain Parts .......................................................................................... 4-1
Manual Status Information................................................................................ 4-2
Newer Instruments............................................................................................. 4-2
Parts Lists, Drawings, and Schematics.............................................................. 4-2
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