Fluke 875 Computer Monitor User Manual


 
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Table of Contents
Section 1: Introduction................................................................................................ 1-1
1.1 General Description ..................................................................................... 1-1
1.2 Specifications............................................................................................... 1-1
1.3 Equipment Overview.................................................................................... 1-3
1.4 Receiving Inspection.................................................................................... 1-8
1.5 Storage ........................................................................................................ 1-9
1.6 Procedures, Warnings, and Cautions .......................................................... 1-9
Section 2: Installation.................................................................................................. 2-1
2.1 Installation.................................................................................................... 2-1
2.2 Cable and Wiring Installation ....................................................................... 2-3
Section 3: Operation.................................................................................................... 3-1
3.1 Operation ..................................................................................................... 3-1
Section 4: Operation.................................................................................................... 4-1
4.1 Functional Description ................................................................................. 4-1
4.2 Readout Module 876A-1.............................................................................. 4-1
Section 5: Maintenance, Calibration, and Troubleshooting..................................... 5-1
5.1 Maintenance ................................................................................................ 5-1
5.2 Calibration.................................................................................................... 5-1
5.3 Troubleshooting ........................................................................................... 5-3
5.4 Power Supply Measurements ...................................................................... 5-4
5.5 Signal Input Circuit....................................................................................... 5-4
5.6 Metering Circuit............................................................................................ 5-5
5.7 The Alarm Circuits ....................................................................................... 5-5
5.8 High Alarm Circuit........................................................................................ 5-6
5.9 Muting Stages of the Alarm Circuits............................................................. 5-6
5.10 ESC Board................................................................................................... 5-7
5.11 Overall Fail Circuitry Associated with the ECS Test .................................... 5-9
5.12 Starting with Pins M and P on the Power Supply Schematic ....................... 5-9
5.13 Starting with Terminal H on Relay Driver Board .......................................... 5-9
5.14 Provision of Inputs to Terminals M and P on the Power Supply Board........ 5-9
5.15 Outputs of U206 Pulse Generator on the ECS Board................................ 5-10
5.16 Operation of the Latch Circuit .................................................................... 5-10