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Teledyne 450H instruction manual Degree of Protection, 1 MEASUREMENT CELL DISASSEMBLY

Models: 450H

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FIGURE 4.1 MEASUREMENT CELL DISASSEMBLY

Figure 4.1 below shows the disassembly of the measurement cell for cleaning. The cell can be easily disassembled after removing the (4) #8-32 screws from the rear of the sensor assembly. The two sapphire Cell Windows and the Stainless Steel Cell Spacer can be cleaned with isopropyl alcohol and rinsed with distilled water. Before reassembly, inspect all three O-Rings to ensure that they are in good condition and replace if necessary. After reassembly, the sensor should be leak checked.

FIGURE 4.1 MEASUREMENT CELL DISASSEMBLY

4.4 Degree of Protection

The Model 450NEMA has a water ingress rating of IPX66 which indicates that it can withstand strong jets of water and is totally protected against dust.

P/N 02826B1 Teledyne API Model 450H O3 Monitor Instruction Manual - Page 40

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Teledyne 450H instruction manual Degree of Protection, 1 MEASUREMENT CELL DISASSEMBLY

Contents

EMAIL api-sales@teledyne.com MODEL 450H OZONE MONITORPrinted 05/15/06 SAFETY MESSAGES TABLE OF CONTENTS 3.0 SETUP MODE4.0 MAINTENANCE 5.0 ADJUSTMENTS5.3 A/D - D/A CALIBRATION PROCEDURE… APPENDIX A - ELECTRICAL SCHEMATIC INDEX5.4 CURRENT LOOP CALIBRATION FIGURES TABLES TABLE 1.1 DIGITAL OUTPUTSTABLE 1.2 CONTROL INPUTS TABLE 1.3 FINAL TEST AND CALIBRATION VALUES1.0INTRODUCTION 1.1Preface1.2 WARRANTY POLICY ADVANCED POLLUTION INSTRUMENTATION DIVISION02024c COVERAGE1.3 Principle of Operation Page 1.4 Specifications 1.5 Installation 19” Rack Mount EnclosurePage 5.If the M450H has been configured with the auto-zerovalve option, connect the oxygen or other zero gas source to the ¼” tube fitting labeled ‘Zero Gas Inlet.’ Do not exceed 30 psig in the zero air delivery line 1.6 Installation NEMA 4X Wall Mount Enclosure ozone FIGURE 1.1 - NEMA 4X MOUNTING HOLE DIMENSIONS FIGURE 1.2 - NEMA 4X ELECTRICAL POWER CONNECTIONS FIGURE 1.3 - NEMA 4X PNEUMATIC CONNECTIONS FIGURE 1.4 - ELECTRICAL SIGNAL I/O CONNECTIONS 1.6Electrical I/O Connections1.6.1Analog Output 1.6.2 Relay OutputsFIGURE 1.5 - CONNECTING DIGITAL OUTPUTS 1.6.4 Control InputsOutput Description1.6.5 RS232 Output InputCONTROL INPUTS Zero CalibrateFIGURE 1.6 - NEMA4X ASSEMBLY LAYOUT FIGURE 1.7 - M450H PNEUMATIC BLOCK DIAGRAMU V L A M P M O T H E R B V / F C P U A C L I N E D C P O W E R SOFigure 1.8 - 19” Rack Assembly Layout POWER SUPPLY MODULE1.7 Operation verification TABLE 1.3 FINAL TEST AND CALIBRATION VALUES 1.8.5 Flow Switch 1.8 Options1.8.1 Auto-ZeroOption 1.8.2 Isolated Current Output 4-20mAor 2-20mA2.1Key features 2.1.2 Concentration Alarms2.1.4 E2 ROM backup of software configuration 2.0OPERATION2.2 Front Panel Display 2.2.1 Front panel display fieldsFIGURE 2.1 - MODEL 450H FRONT PANEL Mode FieldMessage/Test Measurement Field Test MessageTEST MEASUREMENTS Warning Message2.3 Software Operation 2.2.2 Status LED’s2.3.1 Main Menu State2.3.3 Alarm Status Menu FIGURE 2.3 - ALARM STATUS MENUClearing Alarms Audible BeeperPage 3.0 SETUP MODE FIGURE 3.1 - SETUP MENU3.1 Setting the Concentration Alarms ALRM 3.2 Setting the Concentration Units UNIT3.3 Setting the time-of-dayand date CLK HI ALARM OFF3.4 Setting the RS-232baud rate COMM 3.5 Setup variables VARS 0 LATCH_ALARMS1 ALARM BEEPER 3 AZERO ENABLE8 GAS MOLECULAR WEIGHT 10 TPC ENABLE7 AZERO HOLD OFF 9 CONCENTRATION RANGE3.5Diagnostics DIAG 3.5.1Zero Calibration3.5.2 D/A Calibration 3.5.3 Analog Output4.0Maintenance 4.2Cleaning Exterior Surfaces of the M450H4.3 Cleaning the Optical Cell Filter Replacement ProcedureFIGURE 4.1 MEASUREMENT CELL DISASSEMBLY 4.4 Degree of Protection5.0 ADJUSTMENTS Switch Settings5.1 Calibration 5.2Changing the analog output range1.Press SETUP-DIAG 5.3 A/D - D/A Calibration ProcedureFIGURE 4.2- ANALOG OUTPUT JUMPERS 5.4 Current Loop Calibration zero point can be adjusted anywhere between 0 and 4 milliamps. Press ENTR when you have reached the desired zero point as measured by your test meter APPENDIX A - SOFTWARE MENU TREE Page APPENDIX B - SPARE PARTS LIST DESCRIPTIONPage Drawing Number APPENDIX C - ELECTRICAL SCHEMATIC INDEXTitle