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Operational Theory  2.0

Operational Theory  2.0

Operational Theory  2.0

Operational Theory  2.0

Operational Theory  2.0

TELEDYNE ELECTRONIC TECHNOLOGIES

Analytical Instruments

Figure 1:   Flow System Schematic

Содержание 306WA

Страница 1: ...BLE LIQUIDS OR GASES MAY BE PRESENT IN THIS MONITORING SYSTEM PERSONAL PROTECTIVE EQUIPMENT MAY BE REQUIRED WHEN SERVICING THIS SYSTEM HAZARDOUSVOLTAGESEXISTONCERTAINCOMPONENTSINTERNALLYWHICHMAYPERSIS...

Страница 2: ...nel involved in the use of the instrument or its interface with the process that all personnel involved in the use of the instrument or its interface with the process that all personnel involved in th...

Страница 3: ...ory 2 1 Sensor 2 1 2 2 Humidifier 2 1 2 3 Flow System 2 2 2 4 Calibrator 2 4 3 Installation 3 1 Location 3 1 3 2 Electrical Connections 3 1 3 3 Sample Connections 3 2 4 Operations 4 1 Filling the Rese...

Страница 4: ...r 5 2 5 4 2 Standard span Gas Calibration 5 2 5 5 Cell 5 4 5 5 1 Electrolyte Replacement 5 4 5 5 2 Lead Electrode 5 5 5 6 Screen Assembly 5 5 5 7 Calibrator 5 6 5 8 Reservoir and Humidifier Column 5 6...

Страница 5: ...as special meters For purposes of clarity this manual will discuss the unit in general since differ ences will be minor and will be obvious to the user 1 1 1 1 1 1 1 1 1 1 Method of Operation Method o...

Страница 6: ...he sample contains small quantities of acidic anhydrides SO2 etc or mercaptans H2 S etc they will react with the electrolyte or the cathode and for consistent operation should be removed A caustic scr...

Страница 7: ...ed under the screens and serves as the anode The sample gas stream is passed directly over the cathode screens initiating an electrochemical reaction Four electrons are generated by the oxidation of t...

Страница 8: ...humidity control that is located on the panel of the control unit The amount of heating required depends on the sample flow rate the sample humidity and the specific heat of the sample The correct ad...

Страница 9: ...Anal en Anal en Anal en Anal en Analyz yz yz yz yzer er er er er Operational Theory 2 0 Operational Theory 2 0 Operational Theory 2 0 Operational Theory 2 0 Operational Theory 2 0 TELEDYNE ELECTRONIC...

Страница 10: ...put current is directly proportional to the amount of oxygen that has reacted If no oxygen is present no output current flows giving the analyzer an absolute zero No zero adjustment is required The an...

Страница 11: ...Anal en Anal en Anal en Anal en Analyz yz yz yz yzer er er er er Operational Theory 2 0 Operational Theory 2 0 Operational Theory 2 0 Operational Theory 2 0 Operational Theory 2 0 TELEDYNE ELECTRONIC...

Страница 12: ...ing the change in indica tion this change should be as large as possible at least 50 of the wider range For example Analyzerrange 0 1 0 100 0 1000 Samplereading 18 PPM Checkcalibration Adjust the anal...

Страница 13: ...ol system for the humidifier is gravity sensitive the water level control system for the humidifier is gravity sensitive THE ANALYZER MUST BE MOUNTED SO THAT THE BOTTOM OF THE ANALYZER MUST BE MOUNTED...

Страница 14: ...e case during maintenance or service 2 Lines Lines Lines Lines Lines Lines should consist of metallic tubing since oxygen can diffuse through plastic Use continuous tubing where possible 3 Vent Vent V...

Страница 15: ...0 Installation 3 0 Installation 3 0 Installation 3 0 Installation 3 0 3 3 TELEDYNE ELECTRONIC TECHNOLOGIE AnalyticalInstruments Figure 4 General Connection Diagram See the specific Interconnection Dia...

Страница 16: ...nstallation 3 0 Installation 3 0 Installation 3 0 Installation Model 306W Model 306W Model 306W Model 306W Model 306WA A A A A TELEDYNE ELECTRONIC TECHNOLOGIES AnalyticalInstruments Figure 5 Gas Conne...

Страница 17: ...4 2 4 2 Detector Cell Detector Cell Detector Cell Detector Cell Detector Cell The cell is located in the heated compartment on the left side of the analyzer case as shown in Figure 6 To open the comp...

Страница 18: ...ling electrolyte Refer to the Material Safety Data Sheet in the Appendix regarding potential hazards and corrective action in case of accident Type B electrolyte is a 20 solution w v of potassium carb...

Страница 19: ...unting bolts which secure the plastic cover Pour out the distilled water 2 Pour about half the furnished electrolyte into the cell and slosh until all components within the cell are wetted by the solu...

Страница 20: ...s 4 0 Operations 4 0 Operations 4 0 Operations 4 0 Operations Model 306W Model 306W Model 306W Model 306W Model 306WA A A A A TELEDYNE ELECTRONIC TECHNOLOGIES AnalyticalInstruments Figure 7 Cell Compa...

Страница 21: ...ick against other surfaces 3 Dip the wick into fresh electrolyte solution and then shake to remove excess solution Blot the end of the wick with an absorbent tissue WARNING Type A electrolyte is caust...

Страница 22: ...tions 4 0 Operations 4 0 Operations 4 0 Operations 4 0 Operations Model 306W Model 306W Model 306W Model 306W Model 306WA A A A A TELEDYNE ELECTRONIC TECHNOLOGIES AnalyticalInstruments Figure 8 Calibr...

Страница 23: ...e detailed in structions in Figure 10 for removal and installation of the column 4 5 4 5 4 5 4 5 4 5 Humidity Control Humidity Control Humidity Control Humidity Control Humidity Control The humidity c...

Страница 24: ...am The sensitivity of the analyzer is adjusted until the change indicated by the analyzer is equal to the amount of oxygen actually added 1 Adjust the sample flow rate until the flowmeter float is cen...

Страница 25: ...er 2 2 Humidifier and 4 4 Throttle Valve 4 4 Throttle Valve 4 4 Throttle Valve 4 4 Throttle Valve 4 4 Throttle Valve 5 2 Cell Electrolyte Level 5 2 Cell Electrolyte Level 5 2 Cell Electrolyte Level 5...

Страница 26: ...paration prior calibration NOTE Refer to Section 4 3 for calibrator preparation prior calibration NOTE Refer to Section 4 3 for calibrator preparation prior calibration NOTE Refer to Section 4 3 for c...

Страница 27: ...ce Oxyg race Oxyg race Oxygen Anal en Anal en Anal en Anal en Analyz yz yz yz yzer er er er er Maintenance Maintenance Maintenance Maintenance Maintenance T T T T Tr r r r roub oub oub oub oubleshooti...

Страница 28: ...it to the span inlet Slowly adjust the span gas regulator until span gas flow is about the same as the sample flow Wait until the reading is stabilized Adjust span pot so that the analyzer is reading...

Страница 29: ...e of electrolyte e Refill the cell with electrolyte immersing the lower edge of the silver screens to about a 3 32 3 32 3 32 3 32 3 32 depth If the lead electrode is obviously beyond repair it must be...

Страница 30: ...gas into the sensor Record the output 3 If the output in 1 and 2 are the same the scrubber needs to be replaced 5 8 Reservoir and Humidifier Column 5 8 Reservoir and Humidifier Column 5 8 Reservoir a...

Страница 31: ...umn Removing the Humidifier Column Removing the Humidifier Column Removing the Humidifier Column Removing the Humidifier Column 1 Remove the calibrator assembly from the top humidifier block 2 Grasp t...

Страница 32: ...ple pressure is many thousands of pounds 5 9 1 Leak Detection Procedure 5 9 1 Leak Detection Procedure 5 9 1 Leak Detection Procedure 5 9 1 Leak Detection Procedure 5 9 1 Leak Detection Procedure The...

Страница 33: ...ing cell should be checked for leaks The two most likely leaks locations are at the two terminal seal O rings or at the large O ring in the cell block mounting base Check that the terminals are screwe...

Страница 34: ...l c Faulty humidity control a Verify proper connection from the cell through the control unit to the external recorder or meter check for blown fuse Replace as necessary b Inspect electrolyte level an...

Страница 35: ...trol clock wise the meter reading should go from 0 50 milliamps If not replace the humidifier heater element or the humidifier heater control To deter mine which should be replaced see paragraph below...

Страница 36: ...per right hand corner of the control unit Remove the wiring and controls Replace R2 with appropriate part P N P31 115VAC P N R1212 220VAC To replace humidifier To replace humidifier To replace humidif...

Страница 37: ...50 ohms 115VAC 500 to 700 ohms 220VAC Move DMM to TS4 4 5 The DMM should read be tween 7 000 to 10 000 ohms If above test is OK replace the tempera ture control P C Board If none of the above improve...

Страница 38: ...Proper calibration current exists but there is no cell response a Poor electrical connections a Short circuit in calibrator a Check for proper connections between the control unit and calibrator on t...

Страница 39: ...e 30 ppb 5 of Full Scale over operating temperature oncetemperatureequi librium has been achieved Response Time Response Time Response Time Response Time Response Time 90 in less than 1 minute for cha...

Страница 40: ...column heater 220V 1 A5267 Reservoir cap 5 F10 Fuse 3AG 2A 5 F6 Fuse 3AG 1 4A Slo Blo 2 H2 Heater 306WA 2 H68 Heater 307WA 308WA 1 B6274 Flowmeter ass y specify background gas 1 C14449 PC Board Propor...

Страница 41: ...961 2538 626 934 1651 TECHNICALSUPPORT 626 934 1673 WEB www teledyne ai com or your local representative Drawing List 306WA 306WA 306WA 306WA 306WA A 5855 Outlinediagram A 21916 Interconnectiondiagra...

Страница 42: ...owmeter when the flow is set to 150 cc min Calibration Table Calibration Table Calibration Table Calibration Table Calibration Table Your calibrator will generate 0 100 ppm of oxygen Tosetcalibrator T...

Страница 43: ...alibra tor When span gases are used and when sample gas is being analyzed the flow can vary 10 20 and more without changing the reading It is best however to keep the sample flow so that the float in...

Страница 44: ...le 1 on page A 8 To determine the corrected flow Fcorrected substitute the ambient tem perature pressure and vapor pressure of water in the following formula Fcorrected 150 cc min x T X 760 mm Hg X P...

Страница 45: ...635 635 From the above computations the exit flow rate should be set to 189 cc min using an appropriate flow measuring device and the target respositioned if necessary so that the float is centered w...

Страница 46: ...04 34 0 305 35 9 306 38 0 307 40 2 308 42 5 NOTE NOTE NOTE NOTE NOTE The MSDS on this material is available upon request The MSDS on this material is available upon request The MSDS on this material i...

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