Flow Measurement, Flow measurement… | Emerson NGA 2000 TO2 instruction

Instruction Manual

760008-A September 2001

Model NGA 2000 TO2

g.Flow Measurement

Sample flow should be maintained within a range suitable for the desired accuracy. See Effect of Flow in Section 1-5a.

Main Menu

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Analyzer and I/O, expert controls and setup…

TO2

37.50 ppm

-- Analyzer Module Setup and Controls --

Calibration…

Alarms…

Ranges…

Linearization…

Measurement display configuration…

Concentration measurement…

Flow measurement…

Temperature measurement…

Measure

Status…

Back…

TO2	37.50 ppm
	-- Flow Measurement --

Flow lower limit:	400 ml/min
Flow upper limit:	1500 ml/min

Set the upper and lower alarm limits for sample flow as desired.

The actual flow rate displays below the line.

Sample flow:

956 ml/min

Measure

Back…

Figure 3-22. Flow Measurement

3-22 Operation

Rosemount Analytical Inc. A Division of Emerson Process Management

Image 46

Emerson NGA 2000 TO2 instruction manual Flow Measurement, Flow measurement…, Flow lower limit 400 ml/min

Contents

Model NGA 2000 TO2 Essential Instructions Table of Contents Model NGA 2000 TO2 System & Network I/O Module Controls Setup Material Safety Data Sheet List of Illustrations Analyzer Module Interconnection with Instrument Platform Model NGA 2000 TO2 Preface Intended USE Statement Definitions Safety Summary Model NGA 2000 TO2 Documentation Compliances Glossary of Terms Softkeys System Overview Section Description and SpecificationsFeatures Typical Applications Trace Oxygen Detector Coulometric Principle Trace Oxygen Analyzer Module Top View Sample SPECIFICATIONS1General Physical Gas Connections Model NGA 2000 TO2 Electrolyte Section InstallationUnpacking Electrolyte Addition GAS Overpressure GasesGAS Connections Sample Flow Sensor Damage Leak TestElectrical Connections Electrical Shock Hazard Analyzer Module Interconnection with Instrument Platform Outline and Mounting Dimensions Back Panel Connections Operation Displays & Operating Keys Menu Lines & Softkey Functionality Analyzer basic controls calibration & setup…Measure Status… Channel Lock… MFG Data Entering & Changing Variables Signal on mini-bargraphMeasure Back… Ppm O2 Measure Mode DisplayDisplay Status… Main… Channel BasicCal Module Manufacturing Data Displays LCDReset Abort Startup & Initialization Initiate quick start Quick StartMeasure Status… Back… Analyzer Channel Status Basic CONTROLS, Setup and StatusPower supply voltages… Measure Back… Display Status… Main… Channel Display Status… Single Component DisplayMain… Channel BasicCal Select Status… Tags Off LCDReset Multi Component Display Operation Status Basic Controls and SetupRange number Range number Display controls… Display ControlsBrightness and Contrast Brightness 70 % Analyzer module controls… Expert Controls and SetupAnalyzer and I/O, expert controls & setup… Measure Channel Back… Calibration Procedure Gas Scale Factor Gas scale factor… Air background gas concentration Span Calibration Span gas 90.0 ppm Measure Status… Back… Concentration alarm setup… Measure Back… ClrAlm AlarmsAlarms… Alarm generation isRe Begin / end of ranges… RangesRanges… Range Begin Ppm Measurement display configuration… Measurement Display ConfigurationLinearization Concentration measurement… Concentration MeasurementGas measurement units Gas concentration units Clamp low PVA to Temperature compensation at span gasSensor model Ppm to mg/Nm3 conversion factor Flow measurement… Flow MeasurementFlow lower limit 400 ml/min Temperature measurement… Measure Status… Back… Temperature MeasurementTemperature measurement units 37.50 ppm System & Network I/O Module CON Trols SetupSystem & network I/O module controls… System SIO module… Analog output setup… System SIO Select analog output number Analog Output SetupChoose signal Choose the analyzer module Hold output during calibration Signal value for 0% outputHold output during calibration Outputs value on analyzer failure Operation modeOutput number Output #1 Yes Analog Output Updates Per SecondType of installed serial inter- face Baud rate 19200 Communication protocol Relay Outputs SetupInvert signal Choose source module Function control Choose signal…System DIO Input number System Configuration and DIAG- Nostics Load/Save Module Configura- tion Diagnostic MenusAnalyzer Module Diagnostics Date and Time Security Codes System reset Measure Back… System ResetEntering a level locked by security code Model NGA 2000 TO2 Overview Electrical Shock Hazard Section Maintenance and ServiceSensor Caustic Liquid Sensor Assembly Refilling Sensor Sensor Replacement Electrolyte ReplacementSensor Lleak Check Do not tilt Sensor excessively as elec- trolyte may leak Analyzer and I/O expert controls & setup…Linearization Time & Date 0000 ppm Linearization temperature values…Linearization… Linearization raw values sensor current… Fuses Flow Sensor ReplacementElectronic Components Printed Circuit Boards Failure to purge down to ppm levels Section TroubleshootingTroubleshooting Erratic and very insensitive readings Model NGA 2000 TO2 Matrix Section Replacement PartsTO2 NGA 2000 TO2 Trace Oxygen Analyzer Module Replacement Parts Return of Material Customer ServiceSection Return of Material Training Model NGA 2000 TO2 Section Index Model NGA 2000 TO2 Product ELECTROLYTE1 Other precautions Emergency & first aid proceduresPrecautions to be taken in handling Threshold limit value Routes of entry Rosemount Warranty Asia Pacific EUROPE, Middle EAST, Africa Latin America