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Introduction System Description Specifications 20 Theory of Operation 23 Description of Major Components 25 Specifications Technical Information — 355 SCD Technical Information — 255 NCD Physical Specifications Theory of Operation Sulfur Chemiluminescence Detector Nitrogen Chemiluminescence Detector Dual Plasma Controller Description of Major Components Dual Plasma Burner Dual Plasma Controller Ozone Generator Chemiluminescence Reaction Cell and Photomultiplier Tube Pressure Transducer Vacuum Pump Chemical Trap Oil Coalescing Filter FID Adapter (Optional) NCD Reaction Cell NCD Photomultiplier Tube and Cooler Installation Overview 40 Step 1: Selecting a Location 41 Step 2: Unpack and Inspect the Instrument 45 Step 3: Set Up the Vacuum Pump 46 Step 4: Connect the Power Cord 56 Step 5: Install the Dry Compressed Air or O2 Supply 57 Step 6: Install the Signal Output Cables 58 Step 7: Install the Dual Plasma Burner 59 Step 8: Install the Dual Plasma Controller 60 Step 9: Install Column Connections 61 Step 10: Install the Transfer Line 62 Overview Step 1: Selecting a Location Power Requirements Environmental Considerations Combustion Gas Requirements Step 2: Unpack and Inspect the Instrument Required Installation Tools Step 3: Set Up the Vacuum Pump Installing the Edwards RV5 Pump Oil-Sealed Vacuum Pump Installing the Welch Dry Piston Vacuum Pump Step 4: Connect the Power Cord Step 5: Install the Dry Compressed Air or O2 Supply Step 6: Install the Signal Output Cables Standard Cable Connection HP 3390 Series Integrator Cable Connection HP 3396 Integrator Cable Connection HP 5890 GC Analog Input Board Agilent 6890 GC Analog Input Board Step 7: Install the Dual Plasma Burner Step 8: Install the Dual Plasma Controller Step 9: Install Column Connections Capillary Columns Packed Columns and Columns with an Outside Diameter > 0.8 mm Step 10: Install the Transfer Line Front Panel Controls and Initial Startup Detector Front Panel Controls 64 Detector Interface Setup 69 Detector Front Panel Controls Power Controls Display Output Controls Signal Controls Dual Plasma Controller Controls Initial Startup Detector Interface Setup Initial Checkout Monitoring Oxidizer and Hydrogen Flow with the Dual Plasma Controller Operation Start-Up Procedure 72 Detector Operation 73 Typical Operating Conditions 75 Detection Limits 76 Instrument Shut-Down 77 Special Operating Modes 78 Start-Up Procedure Detector Operation Detector Stability and Response Column Bleed Coking Hydrogen Poisoning Contaminated Gases Fluctuating Pressures Typical Operating Conditions Detection Limits Instrument Shut-Down Daily Shutdown Complete Shutdown Special Operating Modes Using the 255 NCD in Nitrosamine Mode Using the SCD in High Sensitivity Mode for Nonhydrocarbon Gaseous Samples Maintenance Pump Maintenance 82 Cleaning the Detector 83 Changing the Oil Mist Filter (RV5) 84 Reaction Cell Cleaning 85 Flow Sensor Calibration 88 Detector Sensitivity 89 Assembling the Dual Plasma Burner for Component Replacement with the SCD 90 Assembling the Dual Plasma Burner for Component Replacement with the NCD 95 Tube Replacement for the SCD 98 Tube Replacement for the NCD 102 Pump Maintenance Cleaning the Detector Changing the Oil Mist Filter (RV5) Reaction Cell Cleaning Flow Sensor Calibration Detector Sensitivity Assembling the Dual Plasma Burner for Component Replacement with the SCD Assembling the Dual Plasma Burner for Component Replacement with the NCD Tube Replacement for the SCD Tube Replacement for the NCD Troubleshooting Solving Detector Problems 106 Power Problems 107 Ozone Generation Problems 109 Response Problems 111 Temperature Reading Problems 112 Diagnosing General Problems 113 Solving Detector Problems Power Problems Detector Fuse Vacuum Pump Fuse Dual Plasma Controller Fuses Ozone Generation Problems Ozone Generator High Voltage Transformer Plugged Restrictor Lines Response Problems Temperature Reading Problems Diagnosing General Problems Index ...