Fluke 434-II/435-II/437-II
Service Manual
ii
Calibration Adjustment................................................................................... 5-1
5.1 General.........................................................................................................5-3
5.1.1 Introduction ..........................................................................................5-3
5.1.2 Calibration number and date ................................................................5-3
5.1.3 General instructions..............................................................................5-3
5.1.4 Equipment required for calibration ......................................................5-4
5.2 Calibration Procedure Steps.........................................................................5-4
5.3 Starting The Calibration...............................................................................5-4
5.4 Contrast Calibration Adjustment .................................................................5-6
5.5 Warming Up ................................................................................................5-7
5.6 Final Calibration ..........................................................................................5-8
5.6.1 Warming Up Final................................................................................5-8
5.6.2 Offset adjustment..................................................................................5-8
5.6.3 Low voltage and current gain adjustment ............................................5-10
5.6.4 Current gain 10x...................................................................................5-10
5.6.5 Voltage gain adjustment.......................................................................5-10
5.7 Save Calibration Data And Exit...................................................................5-12
Disassembling the Analyzer .......................................................................... 6-1
6.1. Introduction.................................................................................................6-3
6.2. Disassembly & Reassembly Procedures.....................................................6-3
6.2.1 Required Tools .....................................................................................6-3
6.2.2 Removing the Tilt Stand, Hang Strap, and Side Strap .........................6-4
6.2.3 Opening the Analyzer, Removing the Battery Pack.............................6-4
6.2.4 Getting access to Top Side of PCA......................................................6-5
6.2.5 Getting access to Bottom Side of PCA.................................................6-5
6.2.6 Getting access to LCD, Keypad Foil and Keypad................................6-5
6.2.7 Pictures Showing Disassembly Steps...................................................6-6
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