Omega Engineering CDE681 User's Manual
Contents
1. Be careful not to damage the exposed section of the cellophane binder M3594 0603 CDE681Series qxd 7 17 03 2 14 PM Page 9 s CDE681 Part 2 Installation Vv 5 Carefully position a 2 inch long piece of shrink tubing or tape on the bare sensor shield wire inch from the end as shown in Figure 2 6 to insulate and distinguish it from the inner shield wire Doing this exposes 4 inch of bare shield wire beyond the tubing or tape for connection purposes 6 Carefully position a 1 inch long piece of shrink tubing or tape on the cable as shown in Figure 2 6 to secure all wires Do not fold back the cellophane binder exposed in step 4 7 Using an ohmmeter or test light verify that the sensor shield wire you insulated is not shorted to the bare inner shield wire If the wires are shorted cut the cable to get a new unfinished end and start over at step 1 8 Strip inch of insulation from the ends of the red black white and blue wires Tin these leads the insulated sensor shield wire and the bare inner shield wire with solder 9 Connect the interconnect cable to the analyzer in the same way as the sensor cable by matching colors as indicated 0 50 2 25 57 2 2 00 BARE SENSOR 50 8 SHIELD WIRE SHRINK TUBING OR TAPE APPROX 1 INCH LONG SHRINK TUBING OR TAPE APPROX 2 1 2 INCH LONG Ne OUTER CABLE JACKET SENSOR SHIELD RED DRIVE BLACK SENSE WHITE TEMP BLUE TEMP2. OMEGA s WARRANTY adds an additional one 1 month grace period to the normal one 1 year product warranty to cover handling and shipping time This ensures that OMEGA s customers receive maximum coverage on each product If the unit malfunctions it must be returned to the factory for evaluation OMEGA s Customer Service Department will issue an Authorized Return AR number immediately upon phone or written reguest Upon examination by OMEGA if the unit is found to be defective it will be repaired or replaced at no charge OMEGA s WARRANTY does not apply to defects resulting from any action of the purchaser including but not limited to mishandling improper interfacing operation outside of design limits improper repair or unauthorized modification This WARRANTY is VOID if the unit shows evidence of having been tampered with or shows evidence of having been damaged as a result of excessive corrosion or current heat moisture or vibration improper specification misapplication misuse or other operating conditions outside of OMEGA s control Components which wear are not warranted including but not limited to contact points fuses and triacs OMEGA is pleased to offer suggestions on the use of its various products However OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for any damages that result from the use of its products in accordance with information provided by OMEGA either verbal or written OM
3. 0 1 61 37 29 00 FAX 33 0 1 30 57 54 27 Toll Free in France 0800 466 342 e mail sales omega fr Germany Austria Daimlerstrasse 26 D 75392 Deckenpfronn Germany TEL 49 0 7056 9398 0 FAX 49 0 7056 9398 29 Toll Free in Germany 0800 639 7678 e mail info omega de United Kingdom One Omega Drive River Bend Technology Centre ISO 9002 Certified Northbank Irlam Manchester M44 5BD United Kingdom TEL 44 0 161 777 6611 FAX 44 0 161 777 6622 Toll Free in United Kingdom 0800 488 488 e mail sales omega co uk It is the policy of OMEGA to comply with all worldwide safety and EMC EMI regulations that apply OMEGA is constantly pursuing certification of its products to the European New Approach Directives OMEGA will add the CE mark to every appropriate device upon certification The information contained in this document is believed to be correct but OMEGA Engineering Inc accepts no liability for any errors it contains and reserves the right to alter specifications without notice WARNING These products are not designed for use in and should not be used for human applications 5 M3594 0603 CDE681Series qxd 7 17 03 2 14 PM Page i D CDE681 Series Conductivity Resistivity Sensors HELPFUL IDENTIFIERS In addition to information on installation and operation this instruction manual may contain WARNINGS pertaining to user safety CAUTIONS regarding possible sensor malfunction and NOTES on important useful opera
4. 2 3 to get an effective seal M3594 0603 CDE681Series gxd 7 17 03 2 14 PM Page 5 S CDE681 Part 2 Installation g OPTIONAL JUNCTION BOX COMPRESSION ur TWO PIECE FERRULE ORIENT IN THIS DIRECTION COMPRESSION FITTING REDUCER AS REQUIRED PIPE TEE CUSTOMER PROVIDE eee or HOLE Po ANES PROCESS FLOW Figure 2 3 Compression Fitting Parts Arrangement For Insertion Mounting B Insert the sensor into the compression fitting Then adjust the insertion depth to position the sensor s cross flow holes at the center of the tee F and directly in the process flow path Rotate the sensor to align one of its cross flow holes with the exiting process flow path as shown in Figure 2 3 After tightening the compression nut the ferrule will be permanently crimped Therefore make sure that the sensor is inserted to the proper depth before tightening the compression nut C With the sensor properly positioned tighten the compression nut onto the compression fitting to crimp the ferrule Use one wrench to hold the fitting and another to turn the nut 1 to 1 turns This should provide an effective process seal Also the crimped ferrule becomes a convenient reference indicator for insertion depth when re inserting the sensor after cleaning This completes the insertion mounting M3594 0603 CDE681Series gxd 7 17 03 2 14 PM Page 6 S g CDE681 Part 2 Installation Installation Tip Re
5. CDE681 Part 2 Installation Table of amp PART TWO INSTALLATION SECTION 1 LOCATION REQUIREMENTS Locate the sensor as close as possible to the measuring instrument Do not exceed a distance of 91 m 300 feet between the sensor and instrument SECTION 2 Mounting The CDE681 series compression fitting style sensor may be insertion mounted into a pipe tee or vessel fitting By reversing the compression fitting the sensor can be fastened to the end of an appropriate length pipe for immersion mounting The longer version compression style sensor is intended to be mounted into a ball valve assembly enabling sensor removal without stopping the process flow Figure 2 1 shows the sensor s general dimensions ja 256 5 10 10 6 1 m 20 feet je 31 8 TO 101 6 DIMENSIONS mm in INSERTION DEPTH K mi CLEAR W BLACK SENSOR SHIELD BLACK SENSE RED DRIVE WHITE TEMP BLUE TEMP 7 CLEAR INNER SHIELD 1 2 DIA FOR 00 5 CELL CONSTANT 3 4 DIA FOR ALL OTHER CELL CONSTANTS 1 2 OR 3 4 NPT THREADS 1 2 OR 3 4 COMPRESSION FITTING Figure 2 1 General Dimensions and Cable Wire Details 2 1 Insertion Mounting To ensure optimum measurement performance follow these guidelines when insertion mounting the sensor e Install the sensor into the pipe run so that the process flows directly into the end of the sensor see Figure 2 2 Preferably mount the sensor in a vertical position to
6. INNER SHIELD OUTER SHIELD FOIL CELLOPHANE BINDER INNER SHIELD FOIL ALL DIMS INCH mm Figure 2 5 Interconnect Cable Termination Details 3 3 Connecting Interconnect Cable To Analyzer Refer to the instrument instruction manual and connect the interconnect cable wires to appropriate SENSOR terminals in the same way as the sensor wires would be directly connected M3594 0603 CDE681Series axd 7 17 03 2 14 PM Page 10 g CDE681 Part 3 Service and Maintenance PART THREE SERVICE AND MAINTENANCE SECTION 1 RECOMMENDED CLEANING PROCEDURE Keep the sensor reasonably clean to maintain measurement accuracy The time between cleanings days weeks etc is affected by the characteristics of the process solution and can only be determined by operating experience 1 Remove most contaminate buildup by carefully wiping the inner electrode rod and the concentric outer electrode tube inner and outer surfaces with a soft clean cloth Then rinse the sensor with clean warm water 2 Prepare a mild soap solution Use warm water and dishwashing detergent Borax hand soap or a similar soap 3 Soak the sensor for 2 to 3 minutes in the soap solution 4 Use a small bristle brush cotton swab Q tip or pipe cleaner to scrub the entire measuring end of the sensor thoroughly cleaning the electrode surfaces If detergent solution cleaning cannot remove surface deposits use muriatic acid or another dilute ac
7. eliminate the possibility of trapped air bubbles from contacting its electrodes which can cause measurement error This also prevents loose pipe line sediment from accumulating and obstructing the sensor electrodes M3594 0603 CDE681Series qxd 7 17 03 2 14 PM Page 4 D v CDE681 Part 2 Installation 1 Install a pipe tee of appropriate size to 2 inch and material into the process pipe If necessary screw a respectively sized reducer into the pipe tee Use thread sealant on the mounting hardware threads to avoid leaks Recommendation Use Teflon tape or pipe sealant with Teflon Exception For higher temperature solutions sealing with Teflon tape may not be adequate N SENSOR CABLE 6 1 M 20 FT 256 5 10 10 CLEARANCE SENSOR FOR SENSOR EN REMOVAL 1 2 OR 3 4 X COMPRESSION FITTING 1 1 2 OR 3 4 NPT H P TREADED TEE M CUSTOMER pe PROVIDED i FLOW I mad f i DIMENSIONS mm in i i D FLOW Figure 2 2 Insertion Mounting Details 2 Remove the compression fitting from the sensor and screw it into the pipe tee or reducer if used 3 Electrically connect sensor to analyzer Refer to analyzer instruction manual for details 4 Calibrate analyzer using procedure in analyzer instruction manual 5 After calibration mount the sensor into the tee A Place compression nut and ferrule onto the sensor compression nut first Correctly orient the ferrule onto the sensor as shown in Figure
8. Customer Service Department BEFORE RETURNING ANY PRODUCT S TO OMEGA PURCHASER MUST OBTAIN AN AUTHORIZED RETURN AR NUMBER FROM OMEGA S CUSTOMER SERVICE DEPARTMENT IN ORDER TO AVOID PROCESSING DELAYS The assigned AR number should then be marked on the outside of the return package and on any correspondence The purchaser is responsible for shipping charges freight insurance and proper packaging to prevent breakage in transit FOR WARRANTY RETURNS please have the FOR NON WARRANTY REPAIRS consult OMEGA following information available BEFORE for current repair charges Have the following contacting OMEGA information available BEFORE contacting OMEGA 1 Purchase Order number under which the product 1 Purchase Order number to cover the COST was PURCHASED of the repair 2 Model and serial number of the product under 2 Model and serial number of the product and warranty and 3 Repair instructions and or specific problems 3 Repair instructions and or specific problems relative to the product relative to the product OMEGA s policy is to make running changes not model changes whenever an improvement is possible This affords our customers the latest in technology and engineering OMEGA is a registered trademark of OMEGA ENGINEERING INC O Copyright 2003 OMEGA ENGINEERING INC All rights reserved This document may not be copied photocopied reproduced translated or reduced to any electronic medium or machine readable fo
9. EGA warrants only that the parts manufactured by it will be as specified and free of defects OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER EXPRESS OR IMPLIED EXCEPT THAT OF TITLE AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED LIMITATION OF LIABILITY The remedies of purchaser set forth herein are exclusive and the total liability of OMEGA with respect to this order whether based on contract warranty negligence indemnification strict liability or otherwise shall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA be liable for consequential incidental or special damages CONDITIONS Equipment sold by OMEGA is not intended to be used nor shall it be used 1 as a Basic Component under 10 CFR 21 NRC used in or with any nuclear installation or activity or 2 in medical applications or used on humans Should any Product s be used in or with any nuclear installation or activity medical application used on humans or misused in any way OMEGA assumes no responsibility as set forth in our basic WARRANTY DISCLAIMER language and additionally purchaser will indemnify OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the ROAN in Suen a manner RETURN REQUESTS INQUIRIES Direct all warranty and repair requests inquiries to the OMEGA
10. M3594 0603 CDE681Series qxd 7 17 03 2 14 PM Page cov3 gt WARRANTY www omega com e mail info omega com STAMFORD CT MANCHESTER UK CDE681 SERIES Conductivity Resistivity Sensors M3594 0603 CDE681Series qxd 7 17 03 2 14 PM Page cov4 s omega com LEOMEGA OMEGAnet Online Service Internet e mail www omega com info omega com Servicing North America USA One Omega Drive P O Box 4047 ISO 9001 Certified Stamford CT 06907 0047 TEL 203 359 1660 FAX 203 359 7700 e mail info omega com Canada 976 Bergar Laval Quebec H7L 5A1 Canada TEL 514 856 6928 FAX 514 856 6886 e mail infoGomega ca For immediate technical or application assistance USA and Canada Sales Service 1 800 826 6342 1 800 TC OMEGA Customer Service 1 800 622 2378 1 800 622 BEST Engineering Service 1 800 872 9436 1 800 USA WHEN TELEX 996404 EASYLINK 62968934 CABLE OMEGA Mexico En Espanol 001 203 359 7803 e mail espanol omega com FAX 001 203 359 7807 info omega com mx Servicing Europe Benelux Postbus 8034 1180 LA Amstelveen The Netherlands TEL 31 0 20 3472121 FAX 31 0 20 6434643 Toll Free in Benelux 0800 0993344 e mail sales omegaeng nl Czech Republic Frystatska 184 733 01 Karvin Czech Republic TEL 420 0 59 6311899 FAX 420 0 59 6311114 Toll Free 0800 1 66342 e mail info omegashop cz France 11 rue Jacques Cartier 78280 Guyancourt France TEL 33
11. connect the sensor from the analyzer or junction box if using interconnect cable 2 Clean the sensor using the procedure in Part Three Section 1 3 Using an ohmmeter check all of the measurement point resistance readings shown in Table A below Be sure that the ohmmeter is set to its highest range for all infinite open circuit resistance readings shown in Table A Table A SENSOR OPERATIONAL RESISTANCE CHECKS Measurement Points Correct Resistance Readings Between blue and white wires 1089 1106 ohms at 23 27 C Between red wire and sensor body Less than 5 ohms Between black wire and inner electrode Less than 5 ohms Between black and red wires Infinite open circuit Between black and white wires Infinite open circuit Between red and white wires Infinite open circuit Between red and inner shield wires Infinite open circuit Between black and inner shield wires Infinite open circuit Between white and inner shield wires Infinite open circuit Between outer and inner shield wires Infinite open circuit 4 If you cannot get the required readings for one or more of the resistance checks in step 3 the sensor is probably inoperative Refer to OMEGA s warranty replacement plan for sensor replacement details If all resistance checks are okay the sensor may still be inoperative In this case more extensive troubleshooting is required Please consult the OMEGA Customer Service Department for deta
12. ecting Interconnect Cable is scssascenssecuasnstnsicensanvensistouareibeceaeertinae 9 Part Three Service and Maintenance Section 1 Recommended Cleaning Procedure eseserssrssasssssssessrssssseeneeseene 10 Section 2 Troubleshooting 2 1 Checking Sensor Operation vammaansa ns eee aeiaudss 11 22 Customer Assistance irssi ateismi hvide RRd S 12 M3594 0603 CDE681Series qxd 7 17 03 2 14 PM Page iii s CDE681 Series Conductivity Resistivity Sensors List of Figures Figure 2 1 General Dimensions and Cable Wire Details esss 3 Figure 2 2 Insertion Mounting Details vuvuuvuussssistt st anta etniseen 4 Figure 2 3 Compression Fitting Parts Arrangement OF Insertion Mounting 3 4 lt uuve sa sms eie nA TN va sense 5 Figure 2 4 Immersion Mounting Details snsnrrrvororervoressrnrnensvnrnersvevrevsrnrverne 6 Figure 2 5 Interconnect Cable Termination Details oouosnnnneeet 9 Table Table A Sensor Operational Resistance Checks ceuuuuuuusmnmnnn neen 11 M3594 0603 CDE681Series gxd 7 17 03 2 14 PM Page iv CDE681 Series Conductivity Resistivity Sensors M3594 0603 CDE681Series qxd 7 17 03 2 14 PM Page 1 O CDE681 Part 1 Introduction v PART ONE INTRODUCTION SECTION 1 GENERAL INFORMATION 1 2 Description Benefits of Enhanced Performance Design CDE681 series compression fitting style sensors are manufactured to exacting tolerances using high quality
13. ering amp Control Instrumentation DA Refractometers LY Pumps amp Tubing MA Air Soil amp Water Monitors M Industrial Water amp Wastewater Treatment M pH Conductivity amp Dissolved Oxygen Instruments M3594 0603
14. id to dissolve the deposits The acid should be as dilute as possible but yet strong enough to clean Experience will help determine which acid to use and how dilute it can be Some stubborn coatings may require a different cleaning agent For assistance in these difficult cases contact the OMEGA Service Department see page 12 Before cleaning with acid determine if any hazardous reaction products could form Example A sensor used in a cyanide bath should not be put directly into a strong acid for cleaning because poisonous cyanide gas could be produced Acids are hazardous Wear appropriate eye protection and clothing in accordance with Material Safety Data Sheet recommendations Soak the sensor in dilute acid for no more than 5 minutes Rinse the sensor with clean warm water and then place the sensor back into the mild soap solution for 2 to 3 minutes to neutralize any remaining acid 5 Rinse the sensor in clean warm water 6 Calibrate the analyzer using the procedure in the analyzer instruction manual If calibration cannot be attained check the sensor using the procedure in Part Three Section 2 1 M3594 0603 CDE681Series qxd 7 17 03 2 14 PM Page 11 p CDE681 Part 3 Service and Maintenance gt 2 1 Checking Sensor Operation Use the troubleshooting section in the analyzer instruction manual to determine whether the sensor or analyzer is in operative If you suspect the sensor check it using this procedure 1 Dis
15. ils see page 12 M3594 0603 CDE681Series qxd 7 17 03 2 14 PM Page 12 D g CDE681 Part 3 Service and Maintenance 2 2 Customer Assistance If you need assistance in troubleshooting or repair service please contact your local OMEGA representative or the OMEGA Customer Service Department at 1 800 633 2378 or 1 203 359 1660 We can also be reached on the Internet at www omega com email info at omega com All sensors returned for repair or replacement must be freight prepaid and include the following information 1 Aclearly written description of the malfunction 2 Name of person to contact and the phone number where they can be reached 3 Proper return address for shipping sensor s back Include preferred shipping method UPS Federal Express etc if applicable 4 A purchase order if sensor s is out of warranty to cover costs of repair If the sensor is damaged during return shipment as a result of inadequate packaging the customer assumes responsibility for repair costs It is recommended to use the original OMEGA shipping carton or an equivalent Also OMEGA will not accept sensors returned for repair or replacement unless they are thoroughly cleaned and all process chemicals are removed M3594 0603 CDE681Series axd 7 17 03 2 14 PM Page cov5 D WARRANTY DISCLAIMER OMEGA ENGINEERING INC warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date of purchase
16. l the sensor The sensor and hardware combination is an integrated system The hardware material usually limits the system s temperature pressure rating Refer to Section 2 for complete specifications M3594 0603 CDE681Series gxd 7 17 03 2 14 PM Page 2 D g CDE681 Part 1 Introduction SECTION 2 SPECIFICATIONS Wetted Materials Maximum Temperature Maximum Pressure Flow Rate Temperature Compensator Sensor Cable Integral no junction box Constant Material Thread CDE681 A S CDE681 B S CDE681 C K 1 0 CDE681 D K 5 0 CDE681 E K 10 0 Titanium electrodes 316 stainless steel outer electrode for extended sensor body style used with ball valve assembly PTFE Teflon insulator and treated Viton When used with Kynar PVDF compression fitting 150 C at 1 7 bar 302 F at 25 psi When used with 316 stainless steel compression fitting 150 C at 13 7 bar 302 F at 200 psi When used with Kynar PVDF compression fitting 10 3 bar at 36 C 150 psi at 97 F When used with 316 stainless steel compression fitting 13 7 bar at 150 C 200 psi at 302 F 0 3 m 0 10 ft per second fully immersed 6 wire cable 4 conductors and two isolated shield wires 6 m 20 ft long Kynar PVDF NPT 316SS Kynar NPT NPT NPT NPT M3594 0603 CDE681Series gxd 7 17 03 2 14 PM Page 3 D
17. le through a pipe of an appropriate material and length Screw the compression fitting onto the end of the pipe or coupling if used Use thread seal ant on the pipe threads to avoid leaks Recommendation Use Teflon tape or pipe sealant with Teflon Exception For higher temperature solutions sealing with Teflon tape may not be adequate 4 Fasten a Unilet junction box onto the other end of the pipe 5 Run interconnect cable from the analyzer into the Unilet junction box Connect the sensor and interconnect cable wires by matching colors to the terminals in the junction box Fasten the cover onto the junction box 6 Electrically connect the sensor interconnect cable wires to the analyzer Refer to the analyzer instruction manual for details 7 Calibrate the analyzer using the procedure in the analyzer instruction manual 8 After calibration mount the sensor into the process This completes the immersion mounting M3594 0603 CDE681Series qxd 7 17 03 2 14 PM Page 8 s g CDE681 Part 2 Installation SECTION 3 SENSOR INTERCONNECT CABLE DETAILS 3 1 Sensor Cable Details The sensor s integral cable is a 6 wire crosslinked polyethylene jacketed cable with 4 conductors and two isolated shield wires Refer to Figure 2 1 for the function and color of each wire in the sensor s integral cable 3 2 Interconnect Cable Details The OMEGA interconnect cable CDE3600 CAB is provided with unfinished ends since it must often be sho
18. rm in whole or in part without the prior written consent of OMEGA ENGINEERING INC a M3594 0603 CDE681Series qxd 7 17 03 2 14 PM Page cov2 p Where Do I Find Everything I Need for Process Measurement and Control OMEGA Of Course Shop online at www omega com TEMPERATURE Zd Thermocouple RTD amp Thermistor Probes Connectors Panels amp Assemblies D Wire Thermocouple RTD amp Thermistor M Calibrators amp Ice Point References 4 Recorders Controllers amp Process Monitors WA Infrared Pyrometers PRESSURE STRAIN AND FORCE A Transducers amp Strain Gages 4 Load Cells amp Pressure Gages l Displacement Transducers Instrumentation amp Accessories FLOW LEVEL 4 Rotameters Gas Mass Flowmeters amp Flow Computers M Air Velocity Indicators M Turbine Paddlewheel Systems M Totalizers amp Batch Controllers pH CONDUCTIVITY M pH Electrodes Testers amp Accessories M Benchtop Laboratory Meters IA Controllers Calibrators Simulators amp Pumps EF Industrial pH amp Conductivity Equipment DATA ACQUISITION lA Data Acquisition amp Engineering Software M Communications Based Acquisition Systems A Plug in Cards for Apple IBM amp Compatibles A Datalogging Systems 4 Recorders Printers amp Plotters HEATERS EF Heating Cable M Cartridge amp Strip Heaters A Immersion amp Band Heaters 4 Flexible Heaters 4 Laboratory Heaters ENVIRONMENTAL MONITORING AND CONTROL M Met
19. rtened during installation The cable is very similar to the sensor s integral cable except that it has two additional conductors green and yellow which are not reguired When stripping the interconnect cable during termination purposely cut off these green and yellow wires from each end of the stripped back cable This ensures the same wire color coding used by the sensor s integral cable OMEGA strongly recommends using only its CDE3600 CAB interconnect cable If a different cable is used it must have equivalent construction four conductors and two separate isolated shields one shielding the signal and one shielding the overall cable These specific cable characteristics protect the measurement signal from electromagnetic interference Using a cable with different construction may interfere with the measurement system s ability to properly measure To correctly terminate the ends of the interconnect cable refer to Figure 2 6 and follow this procedure 1 Carefully strip back 2 inches of the outer cable jacket the outer shield foil and the cellophane binder This exposes the sensor shield wire the inner shield wire and the three foil wrapped wire pairs 2 Cut off the exposed 2 inches of only the yellow and green wire pair w Peel back and cut off the exposed inner shield foil from the red black and blue white wire pairs 4 Carefully strip back an additional inch of the outer cable jacket and outer shield foil
20. rugged materials for demanding ultrapure water and pure water applications Each sensor is e Individually tested to determine its absolute cell constant shown on its label asK and its temperature element value to the nearest 1 0 ohm Entering each sensor s OMEGA certified K value and temperature T factor during instrument configuration or calibration ensures the highest possible measurement accuracy Built with a Pt 1000 RTD temperature element located at its tip to provide exceptionally fast response to changes in temperature with high measuring accuracy 0 2 C Compatible Meters These sensors are for use with the CDCN684 CDCN685 CDCN686 Analyzers and CDTX680 Series transmitters only Sensor Characteristics Basic Cell Constant 0 05 0 5 1 0 5 0 or 10 Installation Style For sensors with a 0 05 cell constant use inch or inch male NPT compression fittings made of Kynar PVDF or 316 stainless steel For sensors with any other cell constant use a inch male NPT compression fitting made of Kynar or 316 stainless steel In all cases the fitting enables the sensor to be insertion mounted up to 4 inches 102 mm deep into a pipe tee or vessel Reversing the fitting enables the sensor to be fastened onto the end of a pipe for immersion mounting Termination Style An integral 6 m 20 ft long cable Operating Procedures Always consider the temperature pressure ratings of the mounting hardware used to instal
21. ting guidelines A warning looks like this Its purpose is to warn the user of this sensor of the potential for personal injury A caution looks like this Its purpose is to alert the user of this sensor to possible sensor malfunction or damage A note looks like this Its purpose is to alert the user of this sensor to important operating information M3594 0603 CDE681Series agaxd 7 17 03 2 14 PM Page ii D CDE681 Series Conductivity Resistivity Sensors Table of Contents Part One Introduction Section 1 General Information 1 1 Description Benefits of Enhanced Performance Design mnvrvrnsrnvnnvrvervrrvssnner 1 Compatible Meters inarin osa tasossa ese esseen kassat 1 1 2 Operating Precautions ummessa ahma t a mn ndnuie 1 Section 2 Specifications esenererernensverersevsnenvvenserensvenerenenersesenenenensnssseseressneneres 2 Part Two Installation Section 1 Location Requirements r ssarnsrvsvesvsensrverssesenessensevessenssnensenseneserssenes 3 Section 2 Mounting 2 1 Insertion Mounting eciuuseunemma meet e ae ase aa ee sa neen 3 5 2 2 Immersion Mounting ssererrvvvvasererrnverevrrvenenrsvarsvenereseserereresvreesssesessnene 6 7 Section 3 Sensor Interconnect Cable Details 3 1 Sensor Cable Details rrsnroonroornenrsnvasnerenrernernrrsnsennenrnnrenveensrersenvesnnssnne 8 3 2 Interconnect Cable Details osnrrvrrnrennonrennsnernvrverrrrsresnesneensennesssnnsenee 8 9 3 3 Conn
22. using Compression Fitting Nut and Crimped Ferrule If the sensor is re installed the compression fitting and nut can be re used The crimped ferrule however may need to be cut away from the sensor to remove it making it unusable If you can remove the crimped ferrule without destroying it and if it can still provide an effective process seal you can probably re use it at least the number of times listed below Recommended Crimped Ferrule Re use Ferrule Material Number of Re uses 316 stainless steel Kynar PVDF 1 after initial use 3 after initial use 2 2 Immersion Mounting 1 Reverse the compression fitting assembly on the sensor so that the longer threaded section faces towards the sensor cable end see Figure 2 4 2 Position the compression fitting assembly at the far cable end of the sensor body and tighten the compression nut onto the compression fitting Use one wrench to hold the fitting and another to turn the nut 1 to 1 turns to crimp the ferrule This provides a process seal 3 4 OR 1 INCH PIPE CUSTOMER PROVIDED i ISSN 3 4 OR 1 INCH NPT COUPLING H H CUSTOMER PROVIDED DIMENSIONS mm in 1 2 INCH X 3 4 INCH OR 3 4 INCH X 1 INCH NPT REDUCER 88 9 TO 139 7 3 50 TO 5 50 1 2 INCH X 3 4 INCH SENSOR COMPRESSION FITTING EXTENSION Figure 2 4 Immersion Mounting Details M3594 0603 CDE681Series qxd 7 17 03 2 14 PM Page s CDE681 Part 2 installation g 3 Route the sensor cab
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