Emerson NGA2000 TO2 Oxygen Equipment User Manual
Contents
1. R E A s U R N WARRANTY REPAIR REQUESTED YES REFERENCE ORIGINAL ROSEMOUNT ANALYTICAL ORDER NO CUSTOMER PURCHASE ORDER NO NO PROCEED WITH REPAIRS INVOICE AGAINST P O NO gt 10 2 gt 2 WITH ESTIMATE OF REPAIR CHARGES LETTER PHONE NAME ADDRESS RETURN AUTHORITY FOR CREDIT ADJUSTMENT Please check appropriate box s WRONG PART RECEIVED L REPLACEMENT RECEIVED DUPLICATE SHIPMENT REFERENCE ROSEMOUNT ANALYTICAL SALES ORDER NO RETURN FOR CREDIT RETURN AUTHORIZED BY WARRANTY DEFECT 24 6047 Emerson Process Management Rosemount Analytical Inc 2400 Barranca Parkway Irvine CA 92606 USA Tel 949 757 8500 Ber 949 474 7250 Sw http www RAuniloc com E M E RSO N Rosemount Analytical Inc 2001 Process Management WARRANTY Seller warrants that the firmware will execute the programming instructions provided by Seller and that the Goods manufactured or Services provided by Seller will be free from defects in materials or workmanship under normal use and care until the expira tion of the applicable warranty period Goods are warranted for twelve 12 months from the date of initial installation or eighteen 18 months from the date of shipment by Seller whichever period expires first Consumables such as gl2. FIGURE 1 1 Flow Through Assemblies MODEL 430 DO MILLIMETER INCH JUNCTION BY OTHERS CABLE SUPPLY BY OTHERS q 21 3061115 in 1 PIPE CLAMP 2 PLCS 146 PIPE BY i 127 6 m 20 FT POWER CORD SECTION 1 0 DESCRIPTION AND SPECIFICATIONS FLEXIBLE CONDUIT BY OTHERS SENSOR CABLE 20 FT LG TO 15 60 H2 POWER CORD 20 FT LG PULL BOX BY OTHERS 1 PIPE BY OTHERS OCKING PIN LOCKING PLATE 1 PIPE CLAMP 3 PLCS F NPT WATER RESISTANT D O SENSOR IMPELLER MIXER MODEL 430 04 SENSOR ASSY DIMENSION 76 3 DEEP TO 60 HZ SENSOR 430 04 DISSOLVED OXYGEN NES ROTATED FOR CLARITY 5 DWG 40043018 FIGURE 1 2 Optional Mounting MODEL 430 DO SECTION 1 0 DESCRIPTION AND SPECIFICATIONS 1 5 ORDERING INFORMATION The Model 430 Dissolved Oxygen Sensor Includes PVC body with integral oxygen permeable membrane of Teflon Temperature and pressure compensators included Compatible with Model1181DO MODEL 430DO DISSOLVED OXYGEN SENSOR MOUNTING HARDWARE 1 1 2 PVC flow cell 90 flow 1 1 2 PVC flow cell 180 flow PVC union with 3 4 FNPT for submersion service PVC union with 1 FNPT and agitator with 20 foot cable for submersion Agitator motor requires 115 VA
3. 11 5 2 Model 430 Sensor 12 5 3 Model 430 Code 03 Dissolved Oxygen Sensor 13 5 4 Model 430 Code 04 Dissolved Oxygen 14 LIST OF TABLES Number Title Page 2 1 Electrical ceri a reU ge EE ERO at ea 5 MODEL 430 DO SECTION 1 0 DESCRIPTION AND SPECIFICATIONS SECTION 1 0 GENERAL DESCRIPTION AND SPECIFICATIONS LARGE ELECTROLYTE RESERVOIR allows up to twelve months and often longer between refills OPTIONAL MOUNTING BRACKET allows easy removal of the sensor from aeration basin without the use of tools MODULAR PRESSURE COMPENSATOR AND MEMBRANE RETAINER simplify recharg ing and membrane replacement MEMBRANE RETAINER REPLACEMENT AND RECHARGING require no tools 1 1 FEATURES AND APPLICATIONS The Rosemount Analytical Model 430 Dissolved Oxygen Sensor used with the Model 1181 Dissolved Oxygen Transmitter measures oxygen levels in a vari ety of applications The most widely used application is the secondary phase of the waste treatment process where a critical dissolved oxygen level must be main tained for the digestive process to occur Other appli cations include water quality monitoring in natural bod ies of water such as rivers and streams or any location where adequate oxygen conte
4. 4 2 0 INSTALLATION 5 2 1 renee 5 2 2 Unpacking and Inspection 5 2 3 Mechanical Installation 5 2 4 Electrical Installation nemen nennen 5 3 0 9 3 1 9 3 2 Recharging the 9 4 0 2 2252 0 ante ates aere 10 4 1 Er 10 4 2 Troubleshooting e 10 4 3 Bench TeS ccruinne 10 5 0 PARTS LIST XL u REI a Ha REESE Ee 11 5 1 erc mE T 11 6 0 RETURN OF 15 6 1 E 15 6 2 Warranty REP ASERNE tren n 15 6 3 Nom Warranty Repalr 15 MODEL 430 DO TABLE OF CONTENTS TABLE OF CONTENTS CONTINUED LIST OF FIGURES Number Title Page 1 1 Flow Through Senson Assemblies uuu u uuu net sele 2 1 2 Optional Mounting 3 2 1 Code 01 and 02 Flow Through 6 2 2 Sensor Dimensions HI 7 5 1 Model 430 Codes 01 and 02 Dissolved Oxygen Sensor
5. 2 Remove the sensor from its mounting Loosen the vent screw approximately 1 1 2 turns DO NOT REMOVE IT Unscrew and remove the reservoir retainer from the base Use a strap wrench if the retainer is to tight to remove by hand Pull the reservoir housing assembly from the base WITHOUT rotating it Hold sensor in a base up position to keep electrolyte from spilling out If the reservoir housing assembly is locked onto the base use a screwdriver at the parting lines to dis lodge the base from the reservoir housing assem bly Do not damage the mating surfaces with the screwdriver while separating the base from the reservoir housing assembly CAUTION The electrolyte KCI is a corrosive liquid which could damage some materials and may irritate the skin or eyes If the electrolyte comes in contact with the skin or eyes wash immediately with clean water Discard the O ring electrolyte and reservoir housing assembly Prepare the electrolyte solution as follows Pour electrolyte crystals into a beaker containing 100 milliliters of distilled or demineralizer water Stir until crystals are dissolved If it is desired to forego the stabilization period of two hours a dilution of the electrolyte may be done by adding NaOH or KOH to adjust the pH of the solution to 12 or greater The unused electrolyte solution can be saved for future use The pH should be rechecked prior to use if the solution has been stored 12
6. 13 Fill the new reservoir housing assembly with elec trolyte to the hole in the inner wall of the reservoir approximately 3 4 full Tap the reservoir lightly to remove any air bubbles Rinse all parts of the base in distilled or deionized water To remove silver chloride from the silver anode use a fine grit sandpaper or a pencil eras er and rub lightly until the coating is removed Rinse the silver anode in distilled water until all traces of grit are removed Lightly lubricate the O rings with O ring lube and install the O ring in the groove of the base Hold the reservoir housing assembly in an upright position and carefully slide the base into the reser voir housing assembly making sure the tip of the post enters the membrane retainer Some elec trolyte should seep out through the vent screw while the reservoir housing assembly is being pushed onto the base Do not grip the pressure compensator while pushing the reservoir housing assembly onto the base CAUTION In the following step do not push the reser voir housing assembly onto the base too fast The orifices in the base vent screw are very small and a quick surge of pressure could damage the membrane A stream of elec trolyte solution could be forced through the vent screw while the reservoir housing assembly is being installed Push the reservoir housing assembly onto the base until the threads of the base and the reser voir retainer can be engaged
7. 4 SENSOR ASSY Model 430 Dissolved Oxygen with agitator Code 04 2 9380053 Pump submersible Attaching parts for item 2 Screw SPH SS 8 32 3 8 Screw SPH SS 8 32 3 8 3001150 Holder Assy 9320057 Union 1 NPT 3001197 Gasket 14 1001021 Sensor assy see Figure 5 2 for details Model 430 DO SECTION 6 0 RETURN OF MATERIAL SECTION 6 0 RETURN OF MATERIAL 6 1 GENERAL To expedite the repair and return of instruments proper communication between the cus tomer and the factory is important A return material authorization RMA number is required Call 949 757 8500 The Return of Materials Request form is provided for you to copy and use in case the situation arises The accuracy and completeness of this form will affect the processing time of your materials 6 2 WARRANTY REPAIR The following is the proce dure for returning instruments still under warranty 1 Contact the factory for authorization 2 Complete a copy of the Return of Materials Request form as completely and accurately as possible 3 verify warranty supply the factory sales order number or the original purchase order number In the case of individual parts or sub assemblies the serial number on the mother unit must be sup plied 4 Carefully package the materials and enclose your Letter of Transmittal and the completed copy of the Return of Materials Request form I
8. After the threads are engaged turn the reservoir retainer until it is fin ger tight Caution over finger tight may damage membrane or base post NOTE Do not touch or apply pressure to the mem brane Tighten the vent screw Rinse the sensor with clean water and dry with a lint free cloth or towel The sensor is now ready for use MODEL 430 DO SECTION 4 0 TROUBLESHOOTING SECTION 4 0 TROUBLESHOOTING 4 1 GENERAL This section contains troubleshooting data for the Model 430 Sensor Assembly 4 2 TROUBLESHOOTING THE MODEL 430 DISSOLVED OXYGEN SENSOR The majority of problems encountered in DO systems are because the sensor is either improperly maintained or has an inter nal leakage causing improper temperature compen sator resistance and high impedance current paths between elements of the sensor Disassemble the sensor completely by unscrewing the reservoir retainer and pulling the reservoir housing assembly straight out refer to Figure 5 2 The mem brane may have dried onto the gold cathode Soak this loose with water as scraping will damage the gold tip Clean all the parts with clean water and dry them Check for visible damage i e cracks deep cuts bro ken silver wires Perform the following checks with an ohmmeter Check T C resistance between the green and white wires It should be 100K ohms at 25 C or per the Temperature Resistance Chart Check continuity between the red wire and the silver anode and betw
9. than 100 megohms replace the membrane refer to Section 3 2 4 To check the resistance of the temperature compensator connect an ohmmeter to the green and white leads of the sensor The resistance should be as indicated at the temperature listed below If the resistance as specified above cannot be achieved replace the sensor Figure 5 2 Temperature Resistance Chart RESISTANCE ohms 5 To check for shorted sensor leads meas ure the resistance between one tempera ture compensator wire green or white and the cathode black lead and anode red lead The meter should indicate an open circuit 100 megohms or more Repeat the measurement using the other temperature compensator wire If the sensor shows a short circuit the sensor is defective and should be replaced MODEL 430 DO SECTION 5 0 PARTS LISTS SECTION 5 0 PARTS LISTS 5 1 GENERAL This section contains the replacement parts lists and illustrations for the Model 430 Sensor Assembly Parts are keyed with an item number Use the illustration to locate the item number for the part in question Then refer to the accompanying parts list for the part number description and quantity needed The Usage Code column where used identifies parts used on more than one assembly If there is no code letter the item is used on all assemblies in that parts list DWG NO REV 40045052 A FIGURE 5 1 Model 430 Codes 01 and 02 Dissolved Oxygen Sensor F
10. Analytical representative a call to the Customer Support Center will provide you with the right peo Romania Russia Saudi Arabia Singapore Slovak Republic South Africa Spain Sweden Switzerland Syria Taiwan Thailand Tobago Trinidad Tunisia Turkey Ukraine United Arab Emirates United Kingdom Uruguay Uzbekistan Venezuela Yemen S EMERSON Process Management RETURN OF MATERIALS REQUEST IMPORTANT This form must be completed to ensure expedient factory service RETURN BILL TO xmsoadoco CUSTOMER USER MUST SUBMIT MATERIAL SAFETY SHEET MSDS OR COMPLETE STREAM COMPOSITION AND OR LETTER CERTIFYING THE MATERIALS HAVE BEEN DISINFECTED AND OR DETOXIFIED WHEN RETURNING ANY PRODUCT SAMPLE OR MATERIAL THAT HAVE BEEN EXPOSED TO OR USED IN AN ENVIRONMENT OR PROCESS THAT CONTAINS A HAZARDOUS MATERIAL ANY OF THE ABOVE THAT IS SUBMITTED TO ROSEMOUNT ANALYTICAL WITH OUT THE MSDS WILL BE RETURNED TO SENDER C O D FOR THE SAFETY AND HEALTH OF OUR EMPLOYEES WE THANK YOU IN ADVANCE FOR COMPLIANCE TO THIS SUBJECT mo 4oz zmozmo SENSOR OR CIRCUIT BOARD ONLY Please reference where from in MODEL SER NO Column 1 PART NO 1 MODEL 2 PART NO MODEL 3 PART NO MODEL 4 PART NO MODEL PLEASE CHECK ONE REPAIR AND CALIBRATE DEMO EQUIPMENT NO EVALUATION OTHER EXPLAIN REPLACEMENT REQUIRED DESCRIPTION OF MALFUNCTION
11. C power only MOUNTING HARDWARE Stainless steel tag specify marking Handrail mounting bracket P N 1000857 for use with junction box see Code 17 below Handrail mounting bracket P N 1000856 for use with Model 803 EXAMPLE NOTES Recommended interconnecting cable from sensor to transmitter is Belden 8434 or equivalent available from Rosemount Analytical as P N 9200074 Specify length Reg U S Pat Office for du Pont s fluorocarbon resins MODEL 430 DO SECTION 2 0 INSTALLATION SECTION 2 0 INSTALLATION 2 1 GENERAL This section provides instructions for the Model 430 Dissolved Oxygen Sensor 2 2 UNPACKING AND INSPECTION Inspect the ship ping container and remove the sensor Carefully check the sensor and its associated hardware for any dam age Report any damage to the carrier immediately 2 3 MECHANICAL INSTALLATION The sensor comes in four different configurations Follow the instruction for the configuration being installed See Figure 2 2 for dimensions Figure 1 2 illustrates optional bracket assembly for sensor installation in tanks or ponds 2 4 Electrical Installation Connect the sensor to the transmitter as shown in Table 2 1 2 3 1 Codes 01 and 02 see Figure 2 1 These config urations are for flow through measurements Install the tee using 1 1 2 inch PVC For the angle flow Code 01 make sure the flow enters at the opening opposite the sensor so that the sample f
12. Instruction Manual PN 51 430 rev A May 1996 Model 430 DO Dissolved Oxygen Sensor amp ROSEMOUNT _ Anlyial 00000002 EMERSON Process Management ESSENTIAL INSTRUCTIONS READ THIS PAGE BEFORE PROCEEDING Rosemount Analytical designs manufactures and tests its products to meet many national and international standards Because these instru ments are sophisticated technical products you must properly install use and maintain them to ensure they continue to operate within their normal specifications The following instructions must be adhered to and integrated into your safety program when installing using and maintaining Rosemount Analytical products Failure to follow the proper instructions may cause any one of the following situations to occur Loss of life personal injury proper ty damage damage to this instrument and warranty invalidation Read all instructions prior to installing operating and servicing the prod uct If this Instruction Manual is not the correct manual telephone 1 800 654 7768 and the requested manual will be provided Save this Instruction Manual for future reference lf you do not understand any of the instructions contact your Rosemount representative for clarification Follow all warnings cautions and instructions marked on and supplied with the product Inform and educate your personnel in the proper installation operation and maintenance of the product Install your equipm
13. Process Management sales office THE AMERICAS HEADQUARTERS Rosemount Analytical Inc Liquid Division 2400 Barranca Parkway Irvine CA 92606 Phone 949 757 8500 Toll Free 800 854 8257 Fax 949 474 7250 ASIA PACIFIC Fisher Rosemount Singapore Private Ltd 1 Pandan Crescent Singapore 0512 Republic of Singapore Phone 65 777 8211 Fax 65 777 0947 EUROPE MIDDLE EAST AND AFRICA Fisher Rosemount Ltd Heath Place Bognor Regis West Sussex PO22 9SH England Phone 44 1243 863121 Fax 44 1243 845354 VISIT OUR WEBSITE AT www RAuniloc com Argentina Australia Austria Azerbajan Bahrain Belgium Bolivia Brazil Brunei Bulgaria Canada Chile China Colombia Costa Rica Croatia Czech Republic Denmark Egypt Ecuador Finland France Germany Greece Hong Kong Hungary Immediate Reliable Analytical Support Now there s a way to quickly get the right answers for your liquid analytical instrumentation ques tions the Analytical Customer Support Center ADDITIONAL SALES OFFICES IN India Indonesia Ireland Israel Italy Jamaica Japan Jordan Kazakhstan Korea Kuwait Malaysia Mexico Netherlands New Zealand Nigeria Norway Oman Pakistan Paraguay Peru Philippines Poland Portugal Puerto Rico Qatar Our staff of trained professionals is ready to provide the information you need If you are placing an order verifying delivery requesting application information or just want to contact a Rosemount
14. ass electrodes membranes liquid junctions electrolyte o rings catalytic beads etc and Services are warranted for a period of 90 days from the date of shipment or provision Products purchased by Seller from a third party for resale to Buyer Resale Products shall carry only the warranty extended by the original manufacturer Buyer agrees that Seller has no liability for Resale Products beyond making a reasonable commercial effort to arrange for procurement and shipping of the Resale Products If Buyer discovers any warranty defects and notifies Seller thereof in writing during the applicable warranty period Seller shall at its option promptly correct any errors that are found by Seller in the firmware or Services or repair or replace F O B point of man ufacture that portion of the Goods or firmware found by Seller to be defective or refund the purchase price of the defective por tion of the Goods Services All replacements or repairs necessitated by inadequate maintenance normal wear and usage unsuitable power sources unsuit able environmental conditions accident misuse improper installation modification repair storage or handling or any other cause not the fault of Seller are not covered by this limited warranty and shall be at Buyer s expense Seller shall not be obligat ed to pay any costs or charges incurred by Buyer or any other party except as may be agreed upon in writing in advance by an authorized Seller representat
15. e and telephone number of the person to contact if there are questions about the returned material Statement as to whether warranty or non warranty service is requested Complete shipping instructions for return of the material Adherence to these procedures will expedite handling of the returned material and will prevent unnecessary additional charges for inspection and testing to determine the problem with the device If the material is returned for out of warranty repairs a purchase order for repairs should be enclosed The right people right answers Ww right now ROSEMOUNT ANALYTICAL CUSTOMER SUPPORT CENTER 1 800 854 8257 Emerson Process Management Liquid Division 2400 Barranca Parkway Irvine CA 92606 USA Tel 949 757 8500 Fax 949 474 7250 http www raihome com Rosemount Analytical Inc 2005 ON LINE ORDERING NOW AVAILABLE ON OUR WEB SITE http www raihome com Specifications subject to change without notice Credit Cards for U S Purchases Only ER iN EMERSON Process Management
16. e flow velocity at the membrane The Models 430 03 and 04 may be provided with an optional mounting bracket assembly This bracket is constructed of light weight aluminum and can be adjusted to satisfy virtually any aeration basin mount ing requirement Once installed the probe can be removed without the use of tools A single locking pin holds the assembly rigidly in place but allows it to be easily removed for inspection or cleaning MILLIMETER INCH TEE F SOCKET SCHD 40 PVC FLOW OUT m 207 CABLE CONDUIT MODEL 430 01 ANGLE FLOW MODEL 430 02 STRAIGHT FLOW SENSOR IS MOUNTED IN TOP OF TEE SECTION 1 0 DESCRIPTION AND SPECIFICATIONS 1 4 SPECIFICATIONS Process Connection 430 00 01 1 1 2 inch socket fitting Wetted Materials HOUSING PVC MEMBRANE Teflon PRESSURE COMPENSATOR Neoprene Temperature Compensation 0 to 50 C 32 to 122 F Automatic Sample Pressure 0 50 psig 345 kPa abs Submersible to 200 ft 61 m Agitator Power Requirement Model 430 04 only 115 Vac 10 60 Hz 0 2 amp Cable Length standard 6 1 meters 20 ft on sensor and agitator Maximum Cable Length 305 meters 1000 ft Operating Time Between Electrolyte Recharge Approximately 12 months or longer depending upon application Sample Flow Requirements for Models 430 01 02 03 1 5 feet per seconds 0 5 m s m CABLE MODEL 430 03 DWG NO REV 40043019 A
17. e the safe opera tion of your process at risk Look alike substitutions may result in fire elec trical hazards or improper operation Ensure that all equipment doors are closed and protective covers are in place except when maintenance is being performed by qualified persons to prevent electrical shock and personal injury ty of the user About This Document This manual contains instructions for installation and operation of the Model 430 Dissolved Oxygen Sensor The following list provides notes concerning all revisions of this document Rev Level Date A 5 96 Notes This is the initial release of the product manual The manual has been refor matted to reflect the Emerson documentation style and updated to reflect any changes in the product offering Emerson Process Management Liquid Division 2400 Barranca Parkway Irvine CA 92606 USA 4 Tel 949 757 8500 amp 949 474 7250 EMERSON Process Management http www raihome com Rosemount Analytical Inc 2003 MODEL 430 DO TABLE OF CONTENTS MODEL 430 DISSOLVED OXYGEN TABLE OF CONTENTS Section Title Page 1 0 DESCRIPTION AND scenerne renerne 1 1 0 Features and Applications uie irr eei Er tue ec REA 1 1 2 Operation EET aaa a TTE EET LEE SET 1 1 3 Vierge M 2 1 4 SpeCIfICatlOnis 2 1 5 Ordering Information oci iacet eere ede
18. ed to the electrolyte reservoir so the pressure on both sides of the membrane remains equal In this manner sample pressure changes do not affect the dif fusion rate of oxygen through the membrane The Teflon membrane is held in place by a retainer A water tight seal is made with an O ring between the membrane and sensor reservoir Membrane replace ment is rarely required but in those situations when it is necessary the procedure can be performed quickly and easily Since oxygen diffuses through the Teflon membrane at a faster rate than through the sample it is necessary to continuously maintain a fresh sample in front of the membrane A stream velocity of approximately 1 5 feet per second 0 5 m s is required to ensure that a fresh sample is in contact with the membrane at all times 1 Reg U S Pat Office for du Pont s fluorocarbon resins MODEL 430 DO 1 3 AVAILABLE MODELS The Model 430 01 and 02 Sensor is a flow through assembly The sensor is supplied in a 1 1 2 inch PVC tee for installation into a process line The Model 430 03 Submersible Sensor is for use in those applications where the required flow velocity can be maintained without the use of an agitator When the measurement is being made in a stagnant pond or other media where the minimum flow rate of 1 5 FPS cannot be obtained the Model 430 04 must be select ed This model is designed for submersible use and is provided with its own agitator to ensure adequat
19. een the black wire and the gold cathode be care ful not to scratch the gold Perform a high meg check between the following 100 meg ohms minimum Shield to Black or Red or Green If everything checks O K the sensor should function after a proper recharge If the silver anode appears oxidized it may be cleaned with wet or dry 400 sandpaper Also brush the gold tip two or three times with the 400 sandpaper in one direction only Follow the recharge directions in Section 3 2 4 3 BENCH TESTING Soak the electrode for 24 hours with polarizing voltage applied instrument then air calibrate to check for a response CAUTION Care should be taken not to damage the membrane made of Teflon 1 Low readings and inability to calibrate are generally the result of a coated membrane and usually can be restored to service by cleaning the sensor Clean a coated mem brane by gently wiping the membrane with a Soft cloth or tissue Reg U S Pat Office for du Pont s fluorocarbon resins 10 2 Readings offscale and inability to calibrate are usually caused by a damaged mem brane If this is the case replace the mem brane 3 To check the membrane made of Teflon connect the negative lead of an ohm meter to the cathode black lead and place water saturated with salt on the membrane Touch the positive lead to the water The meter should read open 100 megohms or more If the meter indi cates a short less
20. ent as specified in the Installation Instructions of the appropriate Instruction Manual and per applicable local and national codes Connect all products to the proper electrical and pressure sources To ensure proper performance use qualified personnel to install operate update program and maintain the product When replacement parts are required ensure that qualified people use replacement parts specified by Rosemount Unauthorized parts and pro DANGER HAZARDOUS AREA INSTALLATION Installations near flammable liquids or in hazardous area locations must be carefully evaluated by qual ified on site safety personnel This sensor is not Intrinsically Safe or Explosion Proof To secure and maintain an intrinsically safe instal lation the certified safety barrier transmitter and sensor combination must be used The installa tion system must comply with the governing approval agency FM CSA or BASEEFA CEN ELEC hazardous area classification require ments Consult your analyzer transmitter instruc tion manual for details Proper installation operation and servicing of this sensor in a Hazardous Area Installation is entirely the responsibility of the user CAUTION SENSOR PROCESS APPLICATION COMPATIBILITY The wetted sensor materials may not be compatible with process composition and operating conditions Application compatibility is entirely the responsibili cedures can affect the product s performance and plac
21. f possi ble pack the materials in the same manner as it was received IMPORTANT Please see second section of Return of Materials Request Form Compliance to the OSHA requirements is mandatory for the safety of all personnel MSDS forms and a certification that the instruments have been disinfected or detoxified are required 5 Send the package prepaid to Rosemount Analytical Inc 2400 Barranca Parkway Irvine CA 92606 Attn Factory Repair Mark the package Returned for Repair RMA Model No 6 3 NON WARRANTY REPAIR Contact Factory For Authorization 1 Contact the factory for authorization 2 Fill out a copy of the Return of Materials Request form as completely and accurately as possible 3 Include a purchase order number and make sure to include the name and telephone number of the right individual to be contacted should additional information be needed 4 Do Steps 4 and 5 of Section 6 2 NOTE Consult the factory for additional infor mation regarding service or repair 15 The right people the right answers right now ple the right answers right now A Worldwide Network of Sales and Service Emerson Process Management s field sales offices are your source for more information on the fill line of Rosemount Analytical products Field sales personnel will work closely with you to supply technical data and application information For more information please contact your nearest Emerson
22. igure amp Item No Description 5 1 A SENSOR ASSY Model 430 Dissolved Oxygen angle flow Code 01 B SENSOR ASSY Model 430 Dissolved Oxygen straight flow Code 02 2002566 Tee Assy angle flow 2002567 Tee Assy straight flow Union 1 NPT 9550090 O ring Buna N 2 029 1001021 Sensor Assy see Figure 5 2 for details 3001197 Gasket 11 MODEL 430 DO Part Number SECTION 5 0 PARTS LISTS VENT SCREW O RING 2 018 g SILVER ANODE RESERVOIR HOUSING ASSY RESERVOIR RETAINER SE DWG NO REV 40043016 FIGURE 5 2 Model 430 Sensor Assembly Description 3002384 Base 9550116 O ring 2 018 2002572 Reservoir housing assembly with membrane 3002385 Retainer reservoir 9550133 O ring 2 004 Screw vent 3002382 2002473 12 Recharge Kit MODEL 430 DO Figure amp No Part Number SECTION 5 0 PARTS LISTS DWG NO REV 40043015 FIGURE 5 3 Model 430 Code 03 Dissolved Oxygen Sensor Description 5 3 SENSOR ASSY Model 430 Dissolved Oxygen submersion Code 13 9330020 Union 3 4 NPT 3001617 Gasket 1001021 Sensor Assy see Figure 5 2 for details 13 MODEL 430 DO Figure amp Item No Part Number SECTION 5 0 PARTS LISTS DWG NO REV 40043017 A FIGURE 5 4 Model 430 Code 04 Dissolved Oxygen Sensor Description 5
23. ive All costs of dismantling reinstallation and freight and the time and expenses of Seller s person nel for site travel and diagnosis under this warranty clause shall be borne by Buyer unless accepted in writing by Seller Goods repaired and parts replaced during the warranty period shall be in warranty for the remainder of the original warranty peri od or ninety 90 days whichever is longer This limited warranty is the only warranty made by Seller and can be amended only in a writing signed by an authorized representative of Seller Except as otherwise expressly provided in the Agreement THERE ARE NO REPRESENTATIONS OR WARRANTIES OF ANY KIND EXPRESS OR IMPLIED AS TO MERCHANTABILITY FIT NESS FOR PARTICULAR PURPOSE OR ANY OTHER MATTER WITH RESPECT TO ANY OF THE GOODS OR SERVICES RETURN OF MATERIAL Material returned for repair whether in or out of warranty should be shipped prepaid to Emerson Process Management Liquid Division 2400 Barranca Parkway Irvine CA 92606 The shipping container should be marked Return for Repair Model The returned material should be accompanied by a letter of transmittal which should include the following information make a copy of the Return of Materials Request found on the last page of the Manual and provide the following thereon Location type of service and length of time of service of the device Description of the faulty operation of the device and the circumstances of the failure Nam
24. lows directly into the membrane 2 3 2 Codes 03 and 04 see Figure 5 3 and Figure 5 4 These configurations are for submersion into a tank or pond The Code 03 configuration requires a flow past the sensor of 1 5 feet per second 0 5 m s The Code 04 configuration is for stagnant or still tanks and ponds TABLE 2 1 Electrode Connections Red silver anode Shield White T C element Green T C element Black gold cathode Model 1181DO MODEL 430 DO SECTION 2 0 INSTALLATION MILLIMETER INCH STRAIGHT FLOW MODEL 430 C2 ANGLE FLOW MODEL 430 01 UA TEE F SOCKET SCHD 40 OR 80 PVC SENSOR 1 FLOW OUT DWG NO REV 40043001 G FIGURE 2 1 Codes and 01 and 02 Flow Through Installation MODEL 430 DO SECTION 2 0 INSTALLATION MILLIMETER INCH CONDUIT DWG NO 40043002 FIGURE 2 2 Code 03 Sensor Dimensions MODEL 430 DO SECTION 3 0 MAINTENANCE SECTION 3 0 MAINTENANCE 3 1 GENERAL Sensor maintenance consists of keep ing the sensor clean recharging the sensor and replacing the membrane The sensor should be cleaned with clean water and a soft cloth Make sure the membrane area is kept clean and free of any accumulation of dirt algae fungus hair etc 3 2 RECHARGING THE SENSOR A recharge kit Rosemount analytical P N 2002473 is required to service the sensor Recharge the sensor as follows see Figure 5 2 1
25. nt is important to sustain aquatic life The Model 430 Dissolved Oxygen Sensor is construct ed of PVC with an oxygen permeable Teflon mem brane 1 2 OPERATION As oxygen passes through the Teflon membrane an oxygen dependent electrochemical reaction takes place between the gold cathode and silver anode in the presence of the electrolyte The resultant current flow between these elements is proportional to the quantity of oxygen which has entered the sensor Temperature and pressure compensation are both standard features on the Model 430 Temperature com pensation is necessary for two reasons First the solu bility of oxygen in water decreases with an increase in temperature secondly the permeability of the Teflon membrane and the oxygen diffusion rate increase as the temperature increases For these reasons it is important for a dissolved oxygen measurement to be accompanied by an accurate temperature measure ment Temperature compensation is accomplished by means of a thermistor located in the sensor housing and its associated circuitry in the analyzer Pressure compensation is a mechanical rather than electronic correction It is important for the tension on the Teflon membrane to remain constant at all times even with sample pressure changes Fluctuations in membrane tension affect its diffusion characteristics By means of a pressure compensator the pressure on the sample side of the compensator membrane is transmitt
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