Emerson NGA 2000 TO2 instruction manual Trace Oxygen Analyzer Module Top View

Page 15

Model NGA 2000 TO2

Instruction Manual

760008-A September 2001

	Sensor Assembly
Network/Power
Module	Sensor
	Sensor
Computer	Sample Flow
Board	Sensor
Power Board

Figure 1-2. Trace Oxygen Analyzer Module - Top View

Rosemount Analytical Inc. A Division of Emerson Process Management

Description and Specifications 1-3

Image 15

Contents Model NGA 2000 TO2 Essential Instructions Model NGA 2000 TO2 Table of ContentsMaterial Safety Data Sheet System & Network I/O Module Controls SetupAnalyzer Module Interconnection with Instrument Platform List of IllustrationsModel NGA 2000 TO2 Definitions Preface Intended USE StatementSafety Summary Model NGA 2000 TO2 Compliances DocumentationGlossary of Terms System SoftkeysTypical Applications Section Description and SpecificationsFeatures OverviewTrace Oxygen Detector Coulometric Principle Trace Oxygen Analyzer Module Top View Physical SPECIFICATIONS1General SampleGas Connections Model NGA 2000 TO2 Electrolyte Addition Section InstallationUnpacking ElectrolyteSample Flow GasesGAS Connections GAS OverpressureLeak Test Sensor DamageElectrical Connections Electrical Shock Hazard Analyzer Module Interconnection with Instrument Platform Outline and Mounting Dimensions Back Panel Connections Displays & Operating Keys OperationAnalyzer basic controls calibration & setup… Menu Lines & Softkey FunctionalityMeasure Status… Channel Lock… MFG Data Signal on mini-bargraph Entering & Changing VariablesMeasure Back… Measure Mode Display Ppm O2Display Status… Main… Channel BasicCal Module Manufacturing Data Displays Startup & Initialization LCDReset AbortQuick Start Initiate quick startMeasure Status… Back… Display Status… Main… Channel Basic CONTROLS, Setup and StatusPower supply voltages… Measure Back… Analyzer Channel StatusSingle Component Display Display Status…Main… Channel BasicCal Multi Component Display Select Status… Tags Off LCDResetRange number Basic Controls and SetupRange number Operation StatusBrightness 70 % Display ControlsBrightness and Contrast Display controls…Measure Channel Back… Expert Controls and SetupAnalyzer and I/O, expert controls & setup… Analyzer module controls…Gas Scale Factor Calibration ProcedureAir background gas concentration Gas scale factor…Span gas 90.0 ppm Measure Status… Back… Span CalibrationAlarm generation isRe AlarmsAlarms… Concentration alarm setup… Measure Back… ClrAlmRange Begin Ppm RangesRanges… Begin / end of ranges…Measurement Display Configuration Measurement display configuration…Linearization Gas concentration units Concentration MeasurementGas measurement units Concentration measurement…Ppm to mg/Nm3 conversion factor Temperature compensation at span gasSensor model Clamp low PVA toFlow Measurement Flow measurement…Flow lower limit 400 ml/min Temperature Measurement Temperature measurement… Measure Status… Back…Temperature measurement units System SIO module… System & Network I/O Module CON Trols SetupSystem & network I/O module controls… 37.50 ppmSystem SIO Analog output setup…Choose the analyzer module Analog Output SetupChoose signal Select analog output numberSignal value for 0% output Hold output during calibrationHold output during calibration Operation mode Outputs value on analyzer failureOutput number Baud rate 19200 Analog Output Updates Per SecondType of installed serial inter- face Output #1 YesChoose source module Relay Outputs SetupInvert signal Communication protocolInput number Choose signal…System DIO Function controlSystem Configuration and DIAG- Nostics Diagnostic Menus Load/Save Module Configura- tionAnalyzer Module Diagnostics Security Codes Date and TimeSystem Reset System reset Measure Back…Entering a level locked by security code Model NGA 2000 TO2 Section Maintenance and Service Overview Electrical Shock HazardSensor Caustic Liquid Refilling Sensor Sensor AssemblyElectrolyte Replacement Sensor ReplacementSensor Lleak Check Time & Date Analyzer and I/O expert controls & setup…Linearization Do not tilt Sensor excessively as elec- trolyte may leakLinearization raw values sensor current… Linearization temperature values…Linearization… 0000 ppmPrinted Circuit Boards Flow Sensor ReplacementElectronic Components FusesErratic and very insensitive readings Section TroubleshootingTroubleshooting Failure to purge down to ppm levelsModel NGA 2000 TO2 Section Replacement Parts MatrixTO2 NGA 2000 TO2 Trace Oxygen Analyzer Module Replacement Parts Training Customer ServiceSection Return of Material Return of MaterialModel NGA 2000 TO2 Section Index Model NGA 2000 TO2 Product ELECTROLYTE1 Threshold limit value Routes of entry Emergency & first aid proceduresPrecautions to be taken in handling Other precautionsRosemount Warranty Asia Pacific EUROPE, Middle EAST, Africa Latin America