Teledyne OT-3 User Manual

Trace Oxygen AnalyzerTeledyne Analytical Instruments iOPERATING INSTRUCTIONS FORMODEL OT-3MODEL OT-3Trace Oxygen AnalyzerDANGERToxic gases and or flam

Introduction OT-3Teledyne Analytical Instruments 2The Model 3300/OT-3 Control Unit has its own long list of featuresincluding:• Keypad lockout featu

Trace Oxygen Analyzer IntroductionTeledyne Analytical Instruments 3Figure 1-1: Front PanelFunction Keys:Seven push-button membrane switches are used

Introduction OT-3Teledyne Analytical Instruments 4Meter Readout: As the meter readout, it displays the oxygenconcentration currently being measured.

Trace Oxygen Analyzer IntroductionTeledyne Analytical Instruments 5Figure 1-2: Rear Panel (AC Version)Figure 1-3: Rear Panel (DC Version)

Installation OT-3Teledyne Analytical Instruments 6Operational Theory2.1 IntroductionThe analyzer is composed of two subsystems:• 3300/OT-3 control u

Trace Oxygen Analyzer InstallationTeledyne Analytical Instruments 7between a battery and a true fuel cell. (All of the reactants are storedexternally

Installation OT-3Teledyne Analytical Instruments 8electrical circuitry, to one of the external contacts in the connectorreceptacle, which is on the to

Trace Oxygen Analyzer InstallationTeledyne Analytical Instruments 92.2.4 The Effect of PressureIn order to state the amount of oxygen present in the s

Installation OT-3Teledyne Analytical Instruments 10Figure 2-2: Characteristic MFC Input/Output Curve2.3 Electronics2.3.1 GeneralThe signal processin

Trace Oxygen Analyzer InstallationTeledyne Analytical Instruments 112.3.2 Signal ProcessingFigure 2-3 is a block diagram of the signal processing elec

Model OT-3Teledyne Analytical Instruments iiCopyright © 2000 Teledyne Analytical InstrumentsAll Rights Reserved. No part of this manual may be reprodu

Installation OT-3Teledyne Analytical Instruments 12The same digital information is also sent to a 12-bit digital to analogconverter (DAC) that produce

Trace Oxygen Analyzer InstallationTeledyne Analytical Instruments 13InstallationInstallation of the analyzer includes:• Unpacking the system.• Insta

Installation OT-3Teledyne Analytical Instruments 14CAUTION: DO NOT DISTURB THE INTEGRITY OF THE CELLPACKAGE UNTIL THE CELL IS TO ACTUALLY BEUSED. IF T

Trace Oxygen Analyzer InstallationTeledyne Analytical Instruments 15Figure 3-1: Electrical Connectors for AC Control Unit3.3.1 Primary Input PowerA d

Installation OT-3Teledyne Analytical Instruments 16• 4–20 mA % Range: Current increases with increasing oxygenconcentration, from 4 mA at 0 percent o

Trace Oxygen Analyzer InstallationTeledyne Analytical Instruments 17The specific descriptions for each type of alarm are as follows:Power Fail Alarm:

Installation OT-3Teledyne Analytical Instruments 18any unknown power source, or any load or device that may exceed thesafe use ratings for Cl 1 Div 2

Trace Oxygen Analyzer InstallationTeledyne Analytical Instruments 19• Vent connection• Coalescing filter drainNote: Zero gas is not required however

Installation OT-3Teledyne Analytical Instruments 20The vent line must be installed in a manner which will prevent dirtand water from accumulating with

Trace Oxygen Analyzer InstallationTeledyne Analytical Instruments 21A flowmeter and flow restrictor are parts of the sample system andassist in settin

Trace Oxygen AnalyzerTeledyne Analytical Instruments iiiSpecific Model InformationThe instrument for which this manual was supplied mayincorporate one

Installation OT-3Teledyne Analytical Instruments 22

Trace Oxygen Analyzer OperationTeledyne Analytical Instruments 23Operation4.1 IntroductionOnce the analyzer has been mounted, the gas lines connected

Operation OT-3Teledyne Analytical Instruments 244.2 Using the Function and Data Entry ButtonsWhen no buttons on the Analyzer are being pressed, the i

Trace Oxygen Analyzer OperationTeledyne Analytical Instruments 254.3.1 HI RangeSetting the HI Range full-scale value defines the LEAST sensitiveanalys

Operation OT-3Teledyne Analytical Instruments 26until the display reads the desired percent concentration. (ifwithin 5 seconds no key is pressed, the

Trace Oxygen Analyzer OperationTeledyne Analytical Instruments 27When the alarms are set for delay and an alarm condition exists, thedisplay will alte

Operation OT-3Teledyne Analytical Instruments 28will cause the display to flash NO PASS and the keys willhave no effect.4. To unlock the keypad, repea

Trace Oxygen Analyzer OperationTeledyne Analytical Instruments 29Note: If the analyzer output goes above the high alarm setpointor below the low alarm

Operation OT-3Teledyne Analytical Instruments 30OR ALARM BUTTONS ARE PRESSED DURINGSPAN. THIS MAY RESULT IN FALSE ALARMS IFTHE SPAN GAS HAS NOT BEEN

Trace Oxygen Analyzer MaintenanceTeledyne Analytical Instruments 31MaintenanceAside from normal cleaning and checking for leaks at the gasconnections,

Model OT-3Teledyne Analytical Instruments ivImportant NoticeModel OT-3 complies with all of the requirements of theCommonwealth of Europe (CE) for Rad

Maintenance OT-3Teledyne Analytical Instruments 32Figure 5-1: AC Fuse ReplacementDC UnitsOn DC units, the fuse is located in a fuse holder on the rea

Trace Oxygen Analyzer MaintenanceTeledyne Analytical Instruments 33CAUTION: READ THE SECTION CELL WARRANTYCONDITIONS, BELOW, BEFORE REPLACING THECELL.

Maintenance OT-3Teledyne Analytical Instruments 342. Open the analyzer door.3. Unscrew the cell-retainer cap from the cell block by turning itcounterc

Trace Oxygen Analyzer MaintenanceTeledyne Analytical Instruments 355.2.5 Cell Warranty ConditionsThe B-2C , A-2C, and Insta-Trace Class Micro-fuel Cel

Appendix OT-3Teledyne Analytical Instruments 36AppendixA.1 SpecificationsRanges: Two user selectable ranges can be setbetween 0-10 ppm and 0-9999 ppmo

Trace Oxygen Analyzer AppendixTeledyne Analytical Instruments 37A.2 Spare Parts ListQTY P/N DESCRIPTION1 C65220-A PC Board, Main (std.)1 C70740-A PC B

Appendix OT-3Teledyne Analytical Instruments 38A.3 Reference DrawingD-74110 Outline DiagramB-74106 Piping DiagramD-65305 Schematic main PCBD-70739 Sch

Trace Oxygen Analyzer IndexTeledyne Analytical Instruments 39Indexaccuracy, 2, 36address. See company addressalarmconnection, 16delay, 26HI, 16LO, 16p

Index OT-3Teledyne Analytical Instruments 40international power, 10jumper, 18keypad lockout, 2, 27lead, 7, 8linear curve, 9LO Range, 25location, 14mai

Trace Oxygen Analyzer IndexTeledyne Analytical Instruments 41terminal block, 14, 15thermistor, 11universal power supply. See powersupply moduleVAC sym

Trace Oxygen AnalyzerTeledyne Analytical Instruments vThis instrument is designed for CL1 DIV II hazardous locations. Itis the customer's respon

Index OT-3Teledyne Analytical Instruments 42

Model OT-3Teledyne Analytical Instruments viTable of ContentsList of Figures...

Trace Oxygen AnalyzerTeledyne Analytical Instruments vii3.4 Gas Connections 183.5 Sample System 203.6 Installation Checklist 21Operation...

Model OT-3Teledyne Analytical Instruments viiiList of FiguresFigure 1-1: Front Panel.....

Trace Oxygen Analyzer IntroductionTeledyne Analytical Instruments 1Introduction1.1 OverviewThe Teledyne Electronic Technologies Analytical Instrument