Endress+Hauser Memosens COS51E Operating Instructions Manual Download Page 44

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Technical data

Memosens COS51E

Hauser

Process pressure range

5 bar (72.5 psi) abs.

12.6 Mechanical construction

Dimensions

171

6.7

,9 (

5.7

5,9 (

191,9 (7.55)

Ø40 (1.57)

A0045976

 20

Dimensions in mm (inch)

Weight

0.3 kg (0.7 lbs)

Materials

Parts in contact with medium

Sensor shaft

POM

Membrane cap

POM

Working electrode

Gold

Counter-electrode and reference electrode

Silver/Silver halide

Membrane

ETFE (COS51-****TN)

FEP (COS51-****TF)

Process connection

Pg 13.5

Torque max. 3 Nm

Summary of Contents for Memosens COS51E

Page 1: ...Products Solutions Services Operating Instructions Memosens COS51E Amperometric oxygen sensor with Memosens 2 0 technology BA02146C 07 EN 02 22 00 71556090 2022 01 19...

Page 2: ......

Page 3: ...nting the sensor 14 5 3 Installation examples 16 5 4 Post mounting check 21 6 Electrical connection 22 6 1 Connecting the sensor 22 6 2 Ensuring the degree of protection 22 6 3 Post connection check 2...

Page 4: ...If necessary Consequences of non compliance if applicable Corrective action This symbol alerts you to a dangerous situation Failure to avoid this situation can result in minor or more serious injurie...

Page 5: ...on for the relevant sensor Operating Instructions for the transmitter used Operating Instructions for the cable used Safety data sheet for the relevant electrolyte solutions In addition to these Opera...

Page 6: ...ludge basins Monitoring the oxygen content in the wastewater treatment plant outlet Monitoring measuring and regulating the oxygen content in public waters and fish farming water Use of the device for...

Page 7: ...aning system is connected switch it off before removing a sensor from the medium If you need to test the cleaning function while cleaning is in progress wear protective clothing goggles and gloves or...

Page 8: ...Screw thread for protection guard 12 Sealing ring 13 Screw thread for membrane cap 14 Membrane cap 6 A0046014 3 Sensor head top view 6 Cathode The sensor consists of the following functional units Se...

Page 9: ...electrode at a constant potential The advantages are a much higher signal accuracy and significantly extended calibration intervals 3 4 Membrane body The oxygen dissolved in the medium is transported...

Page 10: ...calibration Possibility to reset to factory calibration In the case of sensors with replaceable measuring elements the number of calibrations per measuring element and for the entire sensor Operating...

Page 11: ...l packaging offers the best protection Make sure to comply with the permitted ambient conditions If you have any questions please contact your supplier or your local Sales Center 4 2 Product identific...

Page 12: ...ngen 4 3 Scope of delivery The scope of delivery comprises Ordered version of the sensor with protective cap filled with tap water to protect the membrane Accessories set with the following contents 2...

Page 13: ...Memosens COS51E Mounting Endress Hauser 13 5 Mounting 5 1 Mounting requirements 5 1 1 Dimensions 171 6 7 9 7 14 5 7 5 9 4 191 9 7 55 40 1 57 A0045976 4 Dimensions in mm inch...

Page 14: ...or installing sensors in the Operating Instructions for the assembly used 5 1 3 Mounting location 1 Choose a mounting location that is easy to access 2 Ensure that upright posts and assemblies are ful...

Page 15: ...t non grounded metallic assemblies may be live and as such are not safe to touch When using metallic assemblies and installation equipment national grounding provisions must be observed To fully insta...

Page 16: ...and pipes This requires the availability of suitable process connections Install the assembly in a place with uniform flow conditions The pipe diameter must be at least DN 80 5 3 4 1 2 3 A A 2 4 A004...

Page 17: ...exdip CYA112 1 2 3 6 4 5 7 A0042858 9 Chain holder on upright post 1 Weather protection cover CYY101 2 Transmitter 3 Chain 4 Wastewater assembly Flexdip CYA112 5 Oxygen sensor 6 Basin rim 7 Holder Fle...

Page 18: ...2159 12 Dimensions in mm inch 1 Cable run with strain relief and rain shield 2 Fixing ring for rope and chains with terminal screw 3 Eyelets 15 3 x 120 for anchoring 4 Plastic float resistant to salt...

Page 19: ...solenoid valves 1 Main pipe 2 Medium return 3 Oxygen sensor 4 7 Manually actuated or solenoid valves 5 Flow assembly COA250 A 6 90 pipe elbow 8 Medium removal 5 3 4 Universal flow assembly Flowfit CYA...

Page 20: ...m return Mount the sensor in the assembly in accordance with the Operating Instructions BA00495C There must be a minimum flow rate of 100 ml h 0 026 gal h Take increased response times into account As...

Page 21: ...g Endress Hauser 21 5 4 Post mounting check 1 Are the sensor and cable undamaged 2 Is the orientation correct 3 Is the sensor installed in an assembly and is not suspended from the cable 4 Avoid the p...

Page 22: ...d Exercise care when carrying out the work Otherwise the individual types of protection Ingress Protection IP electrical safety EMC interference immunity agreed for this product can no longer be guara...

Page 23: ...ular intervals to ensure reliable measurement Operating Instructions for Memosens COS51E BA02146C Operating Instructions for the transmitter used such as BA01245C if using the Liquiline CM44x or Liqui...

Page 24: ...is sufficient calibration of the sensor slope When changing from process to calibration conditions a longer polarization time and an adjustment of the temperature to the environment must be taken int...

Page 25: ...ient effects direct sunlight drafts during this time 4 Is the measured value display on the transmitter stable Perform the calibration in accordance with the Operating Instructions for the transmitter...

Page 26: ...K 0 0 1 000 550 1800 0 938 1050 3450 0 885 1550 5090 0 834 50 160 0 994 600 1980 0 932 1100 3610 0 879 1600 5250 0 830 100 330 0 988 650 2130 0 927 1150 3770 0 874 1650 5410 0 825 150 490 0 982 700 23...

Page 27: ...ve sea level current air pressure 1009 hPa S 9 45 mg l K 0 943 L 0 996 M 1 02 Calibration value C 9 05 mg l Factor K in the table is not required if the measuring device returns the absolute air press...

Page 28: ...reate medium flow No electrolyte in the measuring chamber Refill or replace electrolyte Buildup on the membrane cap Clean sensor carefully Displayed value too high Polarization ended Wait for polariza...

Page 29: ...eshooting instructions in the Operating Instructions for the transmitter Check the transmitter if necessary If one of the above mentioned faults occurs 1 Unscrew membrane cap from sensor 2 Dry the ele...

Page 30: ...heric pressure if not already the same If the process pressure and atmospheric pressure are the same this step is not required 3 After 10 minutes measure the oxygen saturation index in air Decide usin...

Page 31: ...ith copious amounts of clean water Use a fully automated cleaning system for regular automated cleaning 9 2 2 Cleaning the cathode The cathode only needs to be cleaned if it is coated or silver plated...

Page 32: ...the green polishing foil Hold the sensor as vertically as possible Move the cathode in small circles over the polishing foil 4 A0046399 5 A0046401 4 Clean the cathode surface with the pink polishing f...

Page 33: ...Memosens COS51E Maintenance Endress Hauser 33 6 Mount the sensor 37...

Page 34: ...safe professional and swift product returns please contact your local Sales Center for information on the procedure to be followed and general conditions 10 3 Spare parts and consumables Parts of the...

Page 35: ...enses rinse eyes with water for a few minutes and contact a doctor In case of skin contact Take off wet clothing immediately wash the skin or take a shower Also pay attention to the safety datasheet o...

Page 36: ...res The electrolyte depletion can be logged using a suitable transmitter By setting warning limits it is possible to properly schedule sensor maintenance Theoretical operating time at pO2 210 mbar and...

Page 37: ...In case of skin contact Take off wet clothing immediately wash the skin or take a shower 1 A0046403 2 A0046402 3 A0046414 1 Fill the membrane cap halfway with fresh electrolyte Remove any air bubbles...

Page 38: ...just the process pressure at the transmitter if it differs from the atmospheric pressure otherwise a comparison will not be possible 4 After about 10 minutes measure the oxygen saturation index in air...

Page 39: ...www endress com coa451 Technical Information TI00368C Flexdip CYH112 Modular holder system for sensors and assemblies in open basins channels and tanks For Flexdip CYA112 water and wastewater assembli...

Page 40: ...ct page www endress com CYR10B Technical Information TI01531C 11 1 4 Transmitter Liquiline CM44 Modular multi channel transmitter for hazardous and non hazardous areas HART PROFIBUS Modbus or EtherNet...

Page 41: ...d documentation of sensor management Sensor calibrations stored in database Product Configurator on the product page www endress com cyz71d Technical Information TI00502C 11 1 5 Maintenance kit COV45...

Page 42: ...19 Measuring cable CYK10 12 3 Performance characteristics Response time 1 At 20 C 68 F COS51E TN black membrane cap for standard response time t90 3 minutes t98 8 minutes COS51E TF white membrane cap...

Page 43: ...ption COS51E TN approx 90 ng h in air at 25 C 77 F COS51E TF approx 270 ng h in air at 25 C 77 F Electrolyte Alkaline saline solution 12 4 Environment Ambient temperature range 5 C Ta 60 C T6 23 F Ta...

Page 44: ...6 7 9 7 14 5 7 5 9 4 191 9 7 55 40 1 57 A0045976 20 Dimensions in mm inch Weight 0 3 kg 0 7 lbs Materials Parts in contact with medium Sensor shaft POM Membrane cap POM Working electrode Gold Counter...

Page 45: ...Memosens COS51E Technical data Endress Hauser 45 Membrane thickness COS51D 0 Approx 50 m COS51D 1 Approx 25 m...

Page 46: ...or 43 Measured variables 42 Measurement function 38 Measuring cable 39 Measuring principle 9 Measuring range 42 Measuring system 14 Mechanical construction 44 Mounting 13 Mounting requirements 13 N Na...

Page 47: ......

Page 48: ...www addresses endress com 71556090 71556090...

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