Endress+Hauser Oxymax W COS51D Operating Instructions Manual Download Page 25 | Manualshive

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Oxymax W COS51D

Accessories

Hauser

25

8.3

Measurement, controlling and sensor cleaning

Liquiline M CM42
• Modular two-wire transmitter for Ex and non-Ex areas
• Hart

®

, PROFIBUS or FOUNDATION Fieldbus available

• Ordering acc. to product structure, Technical Information TI381C/07/en

Chemoclean
• Injector CYR10 and program sequencer CYR20
• Ordering acc. to product structure, see Technical Information (TI046C/07/en)

Spray head COR 3
• for sensor cleaning in immersion operation
• order no.: COR 3-0

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Summary of Contents for Oxymax W COS51D

Page 1: ...BA413C 07 en 10 08 71083533 Operating Instructions Oxymax W COS51D Digital sensor for dissolved oxygen...

Page 2: ...e found here Wiring 13 Refer to theses pages for sensor wiring Sensor design and measuring principle 15 16 17 Here you can read about the sensor design The measuring principle is explained on this pag...

Page 3: ...de 13 4 2 Temperature ranges 13 4 3 Direct connection to the transmitter 14 4 4 Connection via junction box 14 4 5 Post connection check 14 5 Device description 15 5 1 Sensor design 15 5 2 Measuring p...

Page 4: ...tivities by the system operator Electrical connection must only be carried out by a certified electrician Technical personnel must have read and understood these Operating Instructions and must adhere...

Page 5: ...nge red ring on the plug in head The maximum permissible cable length is 100 m 330 ft 1 5 Return If the device requires repair please send it cleaned to the sales centre responsible Please use the ori...

Page 6: ...r local sales center 2 3 Certificates and approvals 2 3 1 ATEX II 1G Ex ia IIC T6 The inductive sensor cable plug in system Memosens consisting of oxygen sensor Oxymax W COS51D G 0 and measuring cable...

Page 7: ...e contents Keep the damaged products until the matter has been settled Check that the order is complete and agrees with your shipping documents The packaging material used to store or to transport the...

Page 8: ...d assemblies are secured safely and vibration free For immersed operation in an activated sludge basin select an installation location which produces a typical oxygen concentration 3 3 Installation in...

Page 9: ...sensor 4 Install an immersion or an suspension assembly if used into the process Caution For immersed operation the sensor must be installed in an immersion assembly e g CYA611 Do not install the sen...

Page 10: ...preferable type of installation for strong or turbulent flow 0 5 m s in the basin or open channels is to secure the device to an upright post and a securely mounted immersion tube 6 If the flow is ve...

Page 11: ...an basin rim mounting of the immersion assembly 7 8 If there is strong turbulence or flow a second basin rim mounting must be used for the immersion assembly Floating body To aid installation in stron...

Page 12: ...ctive cap on the assembly a0004108 en Fig 9 Floating body 1 2 3 4 5 6 7 Cable route with strain relief and rain protection Mounting ring for ropes and chains with locking screw Lugs 15 3 x 120 for anc...

Page 13: ...re is no voltage at the power cable before beginning the connection work 4 1 Quick wiring guide 4 2 Temperature ranges Note If the ambient temperatures indicated are observed no temperatures which are...

Page 14: ...cations Remarks Are the sensor assembly junction box or cable damaged Visual inspection Electrical connection Remarks Does the supply voltage of the transmitter match the specifications on the namepla...

Page 15: ...connection seals it from the medium The membrane which is in contact with the medium is pretensioned in the factory a0006935 Fig 15 Sensor design 1 Memosens Plug in head 2 Threaded connection NPT 3 Th...

Page 16: ...index in SAT or as an oxygen partial pressure in hPa 5 2 4 Potentiostatic three electrode system The high impedance current free reference electrode plays an important role The formation of a silver...

Page 17: ...oxygen for example In doing so make sure the measured value has settled correctly 20 to 30 minutes to avoid incorrect measurements in the trace range at a later stage Types of calibration Slope Air s...

Page 18: ...aturated water calibration type the altitude above sea level the current air pressure L rel air pressure to sea level at the time of calibration If undeterminable use 1013 hPa 407 inH2O for an approxi...

Page 19: ...ice returns the absolute air pressure Labs location dependent air pressure as the measured value Thus the formula for calculation is C S Labs 250 820 0 971 800 2620 0 911 1300 4270 0 859 1800 5910 0 8...

Page 20: ...sensor protective cap 2 Place the externally dry sensor in atmospheric air The air should be saturated with water vapour Therefore install the sensor as close to the water surface as possible When cal...

Page 21: ...ope under certain circumstances Soiling or poisoning of the electrolyte causes longer response times and false measurement Coatings on the electrodes cause longer response times and false measurement...

Page 22: ...ludes Warning Before beginning replacing switch off the power supply at the transmitter 7 2 1 Replacing the sealing ring Replacing the sealing ring is only necessary when it is visibly damaged For rep...

Page 23: ...se the electrode holder with drinking water Installing the new membrane cap 7 Make sure that there are no dirt particles on the sealing surface 8 Fill the complete contents of a plastic ampoule contai...

Page 24: ...h SS 1 4571 AISI 316Ti immersion tube Ordering acc to product structure see Technical Information TI035C 07 en Flow assembly COA250 for sensor installation in pipe lines PVC ordering acc to product st...

Page 25: ...r Ex and non Ex areas Hart PROFIBUS or FOUNDATION Fieldbus available Ordering acc to product structure Technical Information TI381C 07 en Chemoclean Injector CYR10 and program sequencer CYR20 Ordering...

Page 26: ...libration with different sensor Recalibrate Temperature display clearly too low Check sensor if necessary send sensor in for repair Membrane visibly stretched Replace membrane cap Electrolyte soiled R...

Page 27: ...06916 Fig 18 1 Sensor see product structure 2 Sealing ring COY31 OR Material Viton 3 pieces 51506985 3 Membrane cap Replacement cartridge COY31 WP for normal response time 2 preterminated replacement...

Page 28: ...lose the completed Declaration of contamination copy the second last page of these Operating Instructions with the packaging and the transportation documents No repair without completed Declaration of...

Page 29: ...1 COS51D 0 black membrane cap approx 300 nA COS51D 1 white membrane cap approx 1100 nA Polarization time 60 minutes Longtime drift Zero current 0 1 of the current in air Measured value resolution 0 01...

Page 30: ...during 45 days 1 mol l KCl 10 4 Process Process temperature 5 to 50 C 20 to 120 F Process pressure max 10 bar 145 psi Underpressure operation is not permissible 10 5 Mechanical construction Weight 0 3...

Page 31: ...Oxymax W COS51D EC Declaration of Conformity Endress Hauser 31 11 EC Declaration of Conformity...

Page 32: ...Incoming acceptance 7 Ingress protection 30 Input 29 Installation 4 7 8 Angle of 8 Check 12 Examples 10 Flow operation 12 Immersion operation 10 Location 8 Measuring point 9 Installation instructions...

Page 33: ...ing wear and tear materials 22 Signal current in air 29 Spare parts 27 Storage 7 Storage temperature 30 Symbols 5 T Technical data 29 Environment 30 Input 29 Mechanical construction 30 Performance cha...

Page 34: ...Oxymax W COS51D 34 Endress Hauser...

Page 35: ...__________________________________________ ______________________________________________________________________________________________________________ We hereby certify that this declaration is fil...

Page 36: ...www endress com worldwide BA413C 07 en 10 08 Printed in Germany FM SGML 6 0 DT...

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