Teledyne Analytical Instruments 122 | Teledyne 9110T specification

	Model 9110T NOx Analyzer								Setup Menu

Teledyne Analytical Instruments

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Teledyne 9110T instruction manual Teledyne Analytical Instruments 122

Contents

Teledyne Electronic Technologies M9110T Date 11/15/13 Model 9110T NOx Analyzer Copyright 2013 Teledyne Analytical Instruments Model 9110TH NOx Analyzer Specific Configuration Model 9110T- Standard Touch Screen Version Pump Mounting Options Model 9110T NOx AnalyzerSpecific ConfigurationMounting Options Rear Panel Gas Fittings This option includes two concentration alarm relays Background Gas Model 9110T NOx Analyzer Specific Configuration Customer Service Department Safety MessagesModel 9110TH NOx Analyzer Safety Messages Or by accessing various service options on our website at Mise EN Garde Model 9110T NOx Analyzer Safety MessagesConsignes DE Sécurité About this Manual Instrument and possibly invalidate the warrantyMaintenance of the analyzer or its parts Organization This page intentionally left blank Table of Contents Model 9110T NOx Analyzer Table of Contents Model 9110TH NOx Analyzer Table of Contents 285 Appendix a Version Specific Software Documentation Figures 229 Tables Ventilation Clearance 325 This page intentionally left blank Part General Information Model 9110TH NOx Analyzer Part Model 9110T NOx Analyzer Part Model 9110TH NOx Analyzer Introduction FeaturesOverview Model 9110T NOx Analyzer Introduction DocumentationOptions Analyzer Options Description/Notes Reference Number Ambient Zero and Ambient Span Valves Option Description/Notes Reference Number9110T Analyzer Weighs about 18 KG 40 Pounds Ambient Zero and Pressurized Span Valves USB Port For remote connection Specification Specifications9110T Basic Unit Specifications Parameter EPA Equivalency Designation Parameter SpecificationSoftware Settings for EPA Equivalence Parameter Calibration Approvals and CertificationsOther Type Certifications North American This page intentionally left blank Unpacking the 9110T Analyzer Instrument warranty. Refer to for more information onUnder Customer Support Return Authorization Model 9110TH NOx Analyzer Getting Started Model 9110T NOx Analyzer Getting Started Instrument LayoutVentilation Clearance 10 cm / 4 Front Panel Front Panel Layout Buttons Display Screen and Touch Control Display Screen and Touch Control Description Field Description/Function Actual display Rear Panel Provides a description of each component on the rear panel Internal Chassis Layout Internal Layout Top View with IZS Option Internal Layout Top View Showing Other Options Connecting Analog Inputs Option Connections and SetupConnecting Power Electrical Connections PIN Description DAS Parameter Connecting Analog OutputsAnalog Input Pin Assignments Current Loop Analog Outputs Option 41 Setup Test Channel Current Loop Option Installed on the Motherboard Connecting the Status Outputs 10 Status Output Connector Status Output Pin Assignments Input # Connecting the Control InputsDiag Mode On Condition Alarm 2 Relay & Alarm 3 Relay Concentration Alarm Relay OptionAlarm 1 Relay Connecting the Communications Interfaces Alarm 4 Relay Communication Configuration SectionBefore using Anything other than Multidrop communication 13 Rear Panel Connector Pin-Outs for RS-232 Mode Using RS-232 Multidrop Option 62 Connection RS-485 operation∙ Parity None 15 Jumper and Cables for Multidrop Mode Last Analyzer HostAnalyzer Time, each by its unique ID see above RS-485 Connection Testing it before setting up the rest of the chainPneumatic Connections About Zero Air and Calibration Span Gas Been made check all pneumatic fittings for leaks usingProcedures defined in Section Cc3/min x Calibration Span GAS CylindersAvailable NIST-SRM Type Nominal Concentration Span GAS for Multipoint Calibration Teledyne Analytical Instruments Calibration GAS Sources Connect a sample gas line to the Sample inletSample GAS Source Venting Pneumatic Layout for Basic Configuration13.3.13.2 or 13.3.13.3 for detailed check if leak suspected Exhaust Outlet 19 Pneumatics, Basic Configuration This valve package includes Attach a sample inlet line to the Sample inlet fitting 20 Rear Panel Layout with Z/S Valve Options OPT 50A 13.3.12 Mode Valve Condition Valve Port Status Sample Teledyne Analytical Instruments Attach a line to the SPAN2/VENT outlet. It should be Pneumatic Layout for Ambient ZERO/PRESSURIZED Span OPT 50B Zero Scrubber and Internal Span Source IZS OPT 50G 10 Valve Operating States OPT 50B installedMode Valve Condition Valve Port Status Internal Span GAS Generation Nitric Acid and the Chemistry of NO2 Permeation Tubes Pneumatic Layout for Zero Scrubber and IZS OPT 50G Zero AIR Scrubber OPT 86C, for Z/S Valves Gas Conditioner OptionsAmmonia Removal Sample Conditioner OPT 86A Model 9110TH NOx Analyzer Getting Started STARTUP, Functional CHECKS, and Initial Calibration Start UP Model 9110TH NOx Analyzer Getting Started 12 Possible Warning Messages at Start-Up Functional Checks Initial Calibration Calibration on the analyzer Following procedure assumes thatInterferents for NOX, no and NO2 Measurements Verifying the Reporting Range Settings No x Must be identical Verify the Precise Concentration Value of the Span gasesIndependently Verifying the Expected NOX and no Span GAS Concentration Model 9110TH NOx Analyzer Getting Started Improving our service and our products. Thank YOU Initial ZERO/SPAN Calibration Procedure This page intentionally left blank Page Part Operating Instructions Model 9110T NOx Analyzer Part Model 9110TH NOx Analyzer Overview of Operating Modes An allowable value, the Entr button will re-appear Model 9110T NOx Analyzer Overview of Operating Modes Sample ModeTest Functions Analyzer Operating Modes To view these Test functions, press Samp Absolute atmospheric pressure Viewing 9110T Test Functions Cannot DYN Zero System ResetCannot DYN Span Calibration Mode Setup Mode Secondary Setup Menu Setup MORE Password SecurityPrimary Setup Menu Primary Setup Mode Features and Functions Entered value had not been accepted Setup DAS Internal Data Acquisition System Setup  CFG Configuration InformationSetup ACAL Automatic Calibration Option Model 9110TH NOx Analyzer Setup Menu Physical Ranges Setup RNGE Analog Output Reporting Range ConfigurationModel 9110T NOx Analyzer Setup Menu Analog Output Reporting Ranges For the other modes When switching between reporting range modes, Always checkAnalog OUT Analog Output Reporting Range Default Settings Reset the upper range limits for the new mode selection IND Mode Analog Output Assignments Teledyne Analytical Instruments 100 Teledyne Analytical Instruments 101 High physical ranges referred to in Section Teledyne Analytical Instruments 103 Setup  Rnge  DIL Using the Optional Dilution Ratio Feature Importantimpact on Readings or Data Teledyne Analytical Instruments 105 Password Levels Setup  Pass Password ProtectionTo enable passwords, press Password Level Has to press Entr to access the password-protected menus Setup  CLK Setting the Internal TIME-OF-DAY Clock Setting the Time of DAY Adjusting the Internal CLOCK’S Speed Setup  Comm Communications Ports ID Machine Identification Inet Ethernet Setup  Vars Variables Setup and DefinitionUse the SETUPCOMMCOM1COM2 menus to COM1COM2 MODE, Baude Rate and Test Port Auto Allowed Vars Variable Description Default ValuesOFF Teledyne Analytical Instruments 113 Setup  Diag Diagnostics Functions Teledyne Analytical Instruments 115 STSYSTEMOK=ON Stsystemok = on Analog I/O Configuration Diag AIO Analog Output Diag Aout To access the Analog I/O Configuration sub menu, press Accessing the Analog I/O Configuration Submenus Curr Analog Output Voltage Range Min/MaxRange Name Range Span Minimum Output Maximum Output Teledyne Analytical Instruments 120 Analog output is enabled. See Section Automatic Individual Calibration of the Analog Outputs Teledyne Analytical Instruments 122 Adjusted. See Section Teledyne Analytical Instruments 124 Teledyne Analytical Instruments 125 Teledyne Analytical Instruments 126 Turning AN Analog Output OVER-RANGE Feature ON/OFF Current Loop Output Check Adding a Recorder Offset to AN Analog Output Model 9110TH NOx Analyzer Setup Menu AIN Calibration External Analog Inputs XIN1…XIN8 Option Configuration SET Exit Teledyne Analytical Instruments 131 Test functions available to be reported are listed in Table Optic Test To activate the Test Channel and select a function, press Flow Calibration Electrical TestOzone GEN Override Changes with low-level calibration Communication Modes Communication MODES, Baud Rate and Port TestingData Terminal / Communication Equipment DTE DEC MODE1 Model 9110T NOx Analyzer Communications Setup and Operation Teledyne Analytical Instruments 137 COM Port Testing COM Port Baud Rate Secondary Setup Menu Comm Vars Sample RANGE=500.0 PPB NOX= TST TST CAL SetupSetup X.X Primary Setup Menu Communications Menu Ethernet To configure Ethernet communication manuallyEthernet Status Indicators LED Function Teledyne Analytical Instruments 141 Teledyne Analytical Instruments 142 Default Ethernet setting is Dhcp Access the Communications Menu SETUPMORECOMM, see Teledyne Analytical Instruments 145 Teledyne Analytical Instruments 146 USB Port for Remote Access PC match check the PC baud rate and change if needed Baud Rate COM2 Mode Settings Quiet Mode Computer Mode1 Mode Actions Communications ProtocolsMinimum Requirements Teledyne Analytical Instruments 150 Parameter Standard Hessen Properly setRS-232 Communication Parameters for Hessen Protocol Activating Hessen Protocol Teledyne Analytical Instruments 153 To Select a Hessen response mode, press Mode ID Mode Description CMDTo select a Hessen Protocol Type press BCC Hessen Protocol GAS List Entry Format and Definitions GAS TYPE,RANGE,GAS ID,REPORTED Editing or Adding Hessen GAS List Entries NO, 0, 212, Reported NO2, 0, 213, ReportedTo add or edit an entry to the Hessen Gas List, press To delete an entry from the Hessen Gas list, press Deleting Hessen GAS List Entries Setting Hessen Protocol Status Flags Operational Flags Default Hessen Status Flag AssignmentsStatus Flag NAME3 Default BIT Assignment Unassigned Flags To assign or reset the status flag bit assignments, press Instrument ID This page intentionally left blank Page Interface for DAS changes Section There is resetFront Panel LED Status Indicators for DAS LED State Channels DAS StructureDAS Channels Enabled Default DAS ChannelsProperty Description Default Setting Range Channel CAL Hold OFF Settings Teledyne Analytical Instruments 167 Viewing DAS Data and Settings DAS View Touchscreen Functions Button Name NXCNC1 Trigger Event Atimer Translates to the following configurationNXCNC1 ATIMER, 5 Editing DAS Data Channels Teledyne Analytical Instruments 170 Manual Changed during data acquisition DAS Data Parameter Functions Teledyne Analytical Instruments 173 Report period AVG, SDEV, MIN or MAX sample modes see .1.3.3,Stored and reported to the Comm ports Report Periods in Progress when Instrument Is Powered Off Editing the Number of Records Teledyne Analytical Instruments 177 Holdoff Feature ON/OFF Teledyne Analytical Instruments 179 Starting Date Feature Disabling/Enabling Data Channels Remote DAS Configuration DAS Configuration VIA Apicom Teledyne Analytical Instruments 182 Advised before attempting any DAS changes DAS Configuration VIA Terminal Emulation ProgramsWhereas the editing, adding and deleting of DAS channels Teledyne Analytical Instruments 184 Remote Control VIA Apicom Computer ModeInteractive Mode Remote Control VIA a Terminal Emulation Program Command Command Type Command SyntaxTerminal Mode Software Commands Where General Message Format Data TypesStatus Reporting AT Y0 D0 H0 I0 S0=0 Remote Access by ModemModel 9110T NOx Analyzer Remote Operation Remote Access by Modem To initialize the modem press Teledyne Analytical Instruments 190 Password Security for Serial Remote Communications Where N is any numeral between 0 Teledyne Analytical Instruments 192 Model 9110TH NOx Analyzer Calibration Procedures Calibration Quality Analysis Required EQUIPMENT, SUPPLIES, and Expendables Model 9110T NOx Analyzer Calibration ProceduresBefore Calibration Span Gas Calibration GasesZero Air Example 2.4. NO2 Permeation Tubes Data Recording DevicesSpan Gas for Multipoint Calibration Measured medium as closely as possible 4. NO2 Conversion Efficiency CE ZERO/SPAN Calibration Checks VS. ZERO/SPAN Calibration Teledyne Analytical Instruments 198 Performing a Basic Manual Calibration See for troubleshooting tipsPerforming a Basic Manual Calibration Check Outside the allowable range for a reliable calibration Setting the Expected Span Gas Concentration Entered properly in the conversion efficiency setting For troubleshooting tips Manual Calibration with the Internal Span GAS Generator As a calibration source Check is performed Setup for Calibration with the Internal Span GAS GeneratorCAL on NO2 Feature Teledyne Analytical Instruments 204 Troubleshooting tips Teledyne Analytical Instruments 206 Teledyne Analytical Instruments 207 Calibration. See for troubleshooting tips Setup for Calibration Using Valve Options Manual Calibration Checks with Valve Options Installed Sample TST TST CAL Cals Setup Manual Calibration Using Valve Options Teledyne Analytical Instruments 212 Automatic ZERO/SPAN CAL/CHECK Autocal Mode Name ActionDisabled Autocal Modes Always be set to OFF AutoCal Attribute Setup ParametersFor US EPA controlled/related applications Analyzer’s sample port 15.0 Sept100 AM 0030 Setup  Acal Programming and Auto CAL Sequence To program the example sequence shown in -4, press Teledyne Analytical Instruments 217 Entr button will disappear from the display Calibration Quality Analysis No Offs No Slope NOX Offs NOX Slope Separate flow meter is required for this procedure GAS Flow Calibration Calibration General Guidelines Model 9110T NOx Analyzer EPA Protocol Calibration Calibration EQUIPMENT, SUPPLIES, and Expendables Spare Parts and Expendable Supplies Data Recording Device Calibration FrequencyCalibration GAS and Zero AIR Sources Record Keeping Level 1 Calibrations Versus Level 2 Checks Definition of Level 1 and Level 2 Zero and Span Checks GPT Principle of Operation GAS Phase Titration GPTGPT Calibrator Check Procedure Equation ≤ 2min Example GPT Calculation Have to be made, and TR and PR will have to be recalculated Handbook, Vol. II, Part 1, Appendix GPT Multipoint Calibration ProcedureConditions of use against a reliable standard SET UP for GPT Multipoint Calibration of the 9110T GPT Calibration System Zero Calibration Span Calibration See the Troubleshooting if there are problems GPT NO2 Check Other Quality Assurance Procedures Summary of Quality Assurance Checks ZERO/SPAN Check Procedures Short Calibration Checks Precision Check Precision Check ProcedureCertification of Working Standards Other Methods of Establishing Traceability Certification Procedures of Working StandardsReferences Standard Teledyne Analytical Instruments 236 Part Maintenance and Service Teledyne Analytical Instruments 238 Maintenance Schedule Model 9110T NOx Analyzer Instrument Maintenance 9110T Maintenance Schedule CAL Date Performed Action Freq Check REQ’D Predictive Uses for Test Functions Predictive DiagnosticsMaintenance Procedures Function Expected Actual Interpretation & Action Replacing the Sample Particulate Filter Replacing the Particulate Filter Ensure to use proper wrenches Risk of causing a significant leakChanging the O3 Dryer Particulate Filter Turn against the Perma Pure dryer Changing the Ozone Cleanser Chemical Teledyne Analytical Instruments 245 Offsets, which may take 2-3 weeks to disappear Rebuilding the Pump Maintaining the External Sample Pump Pump PackChanging the Pump DFU Filter Replacing the Scrubber Procedure for Replacing Filters on External Pumps Procedure for Replacing Filters on Internal Pumps Changing the External Zero AIR Scrubber OPT 86C Room temperature and will contaminate the entire instrumentChanging the Internal Span GAS Generator Permeation Tube Teledyne Analytical Instruments 250 Zero Air Scrubber Assembly Changing the External Scrubber’s DFU Filter Changing the NO2 Converter HOT Surface Hazard Teledyne Analytical Instruments 253 Cleaning the Reaction Cell Teledyne Analytical Instruments 255 To clean or replace a critical flow orifice Replacing Critical Flow Orifices Checking for Light Leaks From the vacuum port to get the parts out of the manifold Simple Vacuum Leak and Pump Check AssemblyChecking for Pneumatic Leaks Detailed Pressure Leak Check Surfaces This value is only calculated, not measured Performing a Sample Flow CheckInstrument General Troubleshooting Model 9110T NOx Analyzer Troubleshooting & Service Fault Diagnosis with Warning Messages Teledyne Analytical Instruments 263 Ozone Flow Front Panel Warning MessagesXXX.X MV Teledyne Analytical Instruments 265 Pressure Fault Diagnosis with Test FunctionsOUT of Range reading Can also cause changes in the absolute atmospheric pressure Diag  Signal I/O Using the Diagnostic Signal I/O Function Indicated Failures These signals upon exit Under this menu Using the Analog Output Test Channel Test Channel Outputs as Diagnostic Tools Relay PCA Status Leds Using the Internal Electronic Status LedsCPU Status Indicator 12.3.2.1. I2C Bus Watchdog Status LEDs D1 RED LED Color Function Fault Indicated Failures Status LED ROWD10 Green NO/NOx Valve D9 Green AutoZero Valve Relay PCA Status LED Failure Indications Sample Flow is Zero or Low GAS Flow ProblemsZero or LOW Flow Problems About 1 in-Hg per 300 m / 1000 ft Check pressures Ozone Flow is Zero or Low Check if the particle filter is clogged High Flow Sample Flow is Zero or Low but Analyzer Reports Correct Flow Calibration Problems Negative Concentrations No Response Unstable Zero and Span Inability to Span no Span Button Cals Inability to Zero no Zero Button Calz NON-LINEAR Response Discrepancy Between Analog Output and Display Discrepancy Between no and NOX Slopes Slow Response Other Performance ProblemsExcessive Noise Auto Zero Warnings Dirty reaction cell can cause high Auto Zero values Subsystem Checkout AC Main PowerDC Power Supply From DC Power Test Point and Wiring Color CodesDC Power Supply Acceptable Levels Test Channel / Analog Outputs Voltage LCD/DISPLAY ModuleMotherboard Touchscreen Interface Full Scale Output of Voltage Range 12.7.6.2. A/D FunctionsAnalog Output Test Function Nominal Values Voltage Outputs Step Nominal Output Voltage Ozoneflow Status OutputsTo test the status output electronics Control Inputs 10 Status Outputs Check Sample Pressure Sensor Check Pressure / Flow Sensor AssemblyBasic PCA Operation Check Vacuum Pressure Sensor Check General RS-232 TroubleshootingRS-232 Communications 12.7.7.4. O3 Flow Sensor Check Troubleshooting Analyzer/Modem or Terminal Operation RS-232 Programming Notes TAI P/N 12.7.10.1. NO2  no Converter Electrical System Doubt, consult the factory Calculating / Checking Converter Efficiency Teledyne Analytical Instruments 294 Evaluating NO2  no Converter Performance Step Simplified GPT Calibration There must be a minimum of 10% more no than O3 produced Concentration must be used must be 440 ppb or more Teledyne Analytical Instruments 298 OUT-GASSING no NOX NOx Loss To activate the optics test, press Photomultiplier Tube PMT Sensor ModuleOptic Test To activate the electrical test, press High Voltage Power Supply PMT Preamplifier Board PMT Temperature Control PCA 12.7.15. O3 Generator 12.7.15.1. O3 Generator Override Internal Span GAS Generator and Valve Options Exit the menu PMT Temperature Sensor Control Temperature SensorBox Temperature Sensor Teledyne Analytical Instruments 307 Procedures. Contact Teledyne Customer Service Department Service ProceduresDISK-ON-MODULE Replacement Procedure Expendables are discussed in Instrument Maintenance Analyzer has warmed up for about 60 minutes 12.8.2. O3 Generator ReplacementSample and Ozone Perma Pure Dryer Replacement PMT Sensor Hardware Calibration To calibrate the PMT preamplifier PCA Teledyne Analytical Instruments 311 Qualified Personnel Replacing the PMT, Hvps or TECBetween measure and Auto Zero modes Ensure to replace the 5 desiccant bags inside the housing 9110T Sensor Assembly Teledyne Analytical Instruments 314 Removing / Replacing the Relay PCA from the Instrument 10 Relay PCA with AC Relay Retainer In Place Answer Frequently Asked QuestionsQuestion Teledyne Analytical Instruments 317 Technical Assistance Analytical Instruments Model 9110T NOx Analyzer Principles of Operation Measurement PrincipleChemiluminescence Creation in the 9110T Reaction Cell Optical Filter Chemiluminescence Detection in the 9110T Reaction CellPhoto Multiplier Tube PMT NO2* →NO2 + hν1200nm NOX and NO2 Determination Tensit XNO2 + yMo→ xNO + MyOz at 315C Measurement Interferences Direct Interference Light Leaks Gas Interference Type Rejection Method Reaction Cell Temperature ControlList of Interferents Both leak tight and not pressurized over ambient pressure Pneumatic OperationSample GAS Flow Zero a perfect vacuum Teledyne Analytical Instruments 327 Vacuum Manifold Basic Internal Gas Flow for Basic 9110T with Internal Pump NO/ no 9110T Valve Cycle PhasesSample Gas Flow Valves and Routing Flow Rate Control Critical Flow Orifices Critical Flow Orifice Teledyne Analytical Instruments 331 O3 Generator Maintained at a constant temperatureOzone GAS Generation and AIR Flow Ozone Generator Dry Air Supply 10 Ozone Generator Principle Teledyne Analytical Instruments 334 Ozone Destruct Pneumatic SensorsOzone Supply Air Filter Down, the generator is turned on immediately Sample Gas Flow Calculation Sample Pressure SensorVacuum Pressure Sensor Samplepressure 13.2.4.4. O3 Supply Air Flow Sensor 13 9110T Electronic Block Diagram Electronic Operation Teledyne Analytical Instruments 339 Disk-On-Module Flash Chip Sensor Inputs Thermistor Interface Motherboard see Section Analog OutputsExternal Digital I/O Reported nor stored Internal Digital I/O Only until signal I/O menu is exitedTo their normal value/setting 13.3.3.7. I2C Data Bus 15 Relay PCA Layout P/N Electrical Shock Hazard Status LED’s 16 Relay PCA P/N 045230100 with AC Relay Retainer in Place Color Function Status When Lit Status When Unlit Relay PCA Status LED’s Yellow no 2  no Converter Heater Watchdog CircuitryValve Control Teledyne Analytical Instruments 349 TC1 Not Used Sensor MODULE, Reaction CellTC2 TC1 20 9110T Sensor Module Assembly Photo Multiplier Tube PMT PMT Preamplifier PMT preamplifier board provides a variety of functions 22 PMT Preamp Block Diagram Principles of Operation PMT Cooling System 23 Typical Thermo-Electric Cooler PMT Pneumatic Sensor BoardTEC Control Board Preamp Power SUPPLY/CIRCUIT Breaker All AC and DC Voltages are distributed via the relay PCA Hvps PMT AC Power ConfigurationSensor Module Logic Devices Configuration Jumpers For AC Heaters Configuration Jumpers for Optional AC HeatersPump Configuration AC Power Configuration for Internal Pumps JP7 VAC /115 VAC VAC / 240 VAC AC Configuration Heaters for Option Packages JP6Power Configuration for Standard AC Heaters JP2 White RED Power Configuration for Optional Heaters JP6Jumper Heaters Between Function Color Pins IZS 30 Front Panel and Display Interface Block Diagram Front Panel TOUCHSCREEN/DISPLAY Interface Front Panel TOUCHSCREEN/DISPLAY Interface PCA Software OperationLvds Transmitter Board Calibration Slope and Offset TEMPERATURE/PRESSURE Compensation TPCAdaptive Filter Teledyne Analytical Instruments 366 Static Generation Voltages for Typical Activities HOW Static Charges are CreatedModel 9110T NOx Analyzer Primer on ESD Means of Generation Sensitivity of Electronic Devices to Damage by ESD HOW ELECTRO-STATIC Charges Cause DamagePotentially damaging electro-static discharges can occur Damage Susceptibility Voltage General Rules Common Myths about ESD DamageBasic Principles of Static Control Teledyne Analytical Instruments 370 Working AT the Instrument Rack Working AT AN ANTI-ESD Work Bench Opening Shipments from TAI Customer Service Transferring Components Between Rack and Bench Packing Components for Return to TAI Customer Service ESD Hazard Teledyne Analytical Instruments 374 Term Description/Definition GlossaryModel 9110T NOx Analyzer Glossary Teledyne Analytical Instruments 376 Teledyne Analytical Instruments 377 Teledyne Analytical Instruments 378