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Chloromax CCS142D

Digital sensor with Memosens technology for

determining free chlorine

BA00419C/07/EN/15.17

71378188

AUTHORIZED DISTRIBUTOR:

InstrumentsAndControl.com

Houston, Texas USA

[email protected]

281-609-7170

Содержание Chloromax CCS142D

Страница 1: ...nstructions Chloromax CCS142D Digital sensor with Memosens technology for determining free chlorine BA00419C 07 EN 15 17 71378188 AUTHORIZED DISTRIBUTOR InstrumentsAndControl com Houston Texas USA sales InstrumentsAndControl com 281 609 7170 ...

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Страница 3: ...allation 16 5 1 Installation conditions 16 5 2 Mounting the sensor 18 5 3 Post installation check 19 6 Electrical connection 20 6 1 Connecting the sensor 20 6 2 Ensuring the degree of protection 20 6 3 Post connection check 20 7 Commissioning 22 7 1 Function check 22 7 2 Sensor polarization 22 7 3 Calibrating the sensor 22 8 Diagnostics and troubleshooting 24 9 Maintenance 26 9 1 Maintenance sched...

Страница 4: ...us situation Failure to avoid the dangerous situation can result in a fatal or serious injury LCAUTION Causes consequences 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 injuries NOTICE Cause situation If necessary Consequences of non compliance if applic...

Страница 5: ...Chloromax CCS142D Document information Endress Hauser 5 1 2 1 Symbols on the device Symbol Meaning Reference to device documentation ...

Страница 6: ... quantity involved must be adapted to continuously fluctuating operating conditions Too low concentrations in the water could jeopardize the effectiveness of the disinfection process Too high concentrations can lead to signs of corrosion and have an adverse effect on taste while also generating unnecessary costs The sensor was specifically developed for this application and is designed for continu...

Страница 7: ...rotect them against unintentional operation 4 Label damaged products as defective During operation If faults cannot be rectified products must be taken out of service and protected against unintentional operation 2 4 1 Special instructions Do not operate the sensors under process conditions where it is expected that osmotic conditions will cause electrolyte components to pass through the membrane ...

Страница 8: ... Temperature sensor Membrane cap with Robust PTFE membrane Special support grid between cathode and membrane for a specified and constant electrolyte film and thus a relatively constant indication even at varying pressures and flows 3 4 5 6 7 1 2 A0026479 1 Sensor structure 1 Memosens plug in head 2 O ring 3 Large anode silver silver chloride 4 Gold cathode 5 Measuring chamber 6 Membrane cap with ...

Страница 9: ...ons The concentration of hypochlorous acid depends on the pH value This dependency can be compensated for by measuring the pH value in the flow assembly The transmitter uses the current signal to calculate the measured variable for concentration in mg l 3 1 2 Effects on the measuring signal pH value pH dependency Molecular chlorine Cl2 is present at pH values 4 Consequently hypochlorous acid HOCl ...

Страница 10: ...ffectiveness of chlorine is limited As hypochlorite ions cannot permeate the sensor membrane the sensors do not record this value pH compensation of chlorine sensor signal To calibrate and verify the chlorine measuring system a colorimetric reference measurement must be carried out using the DPD method Free chlorine reacts with diethyl p phenylendiamine to form a red dye The intensity of the red c...

Страница 11: ...ated measured chlorine value increases the greater the pH difference between measuring mode and chlorine calibration or the more inaccurate the underlying individual measured values are Calibration taking into account the pH value The reference measurement DPD method photometer determines the total free chlorine by buffering to pH 6 3 In contrast to this amperometric measurement determines only th...

Страница 12: ...alue Increases in temperature result in a higher measured value approx 4 per K Decreases in temperature result in a lower measured value Use of the sensor in conjunction with the Liquiline enables automatic temperature compensation ATC In this case the temperature does not need to remain constant and a recalibration in the event of temperature changes is not required 1 If automatic temperature com...

Страница 13: ...ct and moisture The original 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 identification 4 2 1 Nameplate The nameplate provides you with the following information on your device Manufacturer identification Order code Extended order code Serial number Safet...

Страница 14: ...pe of delivery The delivery comprises Chlorine sensor Bottle of electrolyte 50 ml 1 69 fl oz Replacement cartridge with pretensioned membrane Operating Instructions 4 2 6 Certificates and approvals mark Declaration of conformity The product meets the requirements of the harmonized European standards As such it complies with the legal specifications of the EU directives The manufacturer confirms su...

Страница 15: ...ser 15 Ex approvals 2 cETLus NI Cl I Div 2 Conforms to UL STD 61010 1 ANSI ISA STD 12 12 01 FM STD 3600 and FM STD 3611 Certified to CSA STD C22 2 NO 61010 1 and CSA STD C22 2 NO 213 ETL control number 5000765 Control drawing 403936 2 Only if connected to CM444R EA or CM448R EA ...

Страница 16: ...d Install the sensor in an assembly support or appropriate process connection at an angle of at least 15 to the horizontal Other angles of inclination are not permitted Follow the instructions for installing the sensor in the Operating Instructions for the assembly being used 15 15 B A A0026480 A Permitted orientation B Forbidden orientation ...

Страница 17: ...Chloromax CCS142D Installation Endress Hauser 17 5 1 2 Dimensions 25 0 98 7 5 0 30 31 1 22 91 5 3 60 148 5 83 NPT A0007386 3 Dimensions in mm in ...

Страница 18: ... CYK10 Transmitter e g Liquiline CM44x or CM44xR Optional Extension cable CYK11 When using assembly CCA250 additional sensor s e g pH sensor CPS71D 1 3 5 7 2 6 4 A0007341 4 Example of a measuring system 1 Transmitter Liquiline CM44x 2 Power cable for transmitter 3 Chlorine sensor CCS142D 4 Flowfit CCA250 assembly 5 Inlet to assembly outlet on rear not shown in graphic 6 pH sensor CPS71D 7 Measurin...

Страница 19: ...5 2 3 Installing sensor in other flow assemblies When using other flow assemblies please ensure the following The flow velocity against the membrane is always at least 15 cm s 0 49 ft s The flow direction is upwards so that transported air bubbles are removed and do not collect in front of the membrane The membrane is struck directly by the flow 5 2 4 Installing sensor in immersion assembly CYA112...

Страница 20: ...length is 100 m 328 ft 6 2 Ensuring the degree of protection Only the mechanical and electrical connections which are described in these instructions and which are necessary for the required designated use may be carried out on the device delivered Exercise care when carrying out the work Otherwise the individual types of protection Ingress Protection IP electrical safety EMC interference immunity...

Страница 21: ...pecifications Notes Are all the screws terminals properly tightened Tighten Are all cable entries mounted tightened and leak tight For lateral cable entries make sure the cables loop downwards to allow water to drip off Are all cable entries installed downwards or mounted laterally ...

Страница 22: ... 7 2 Sensor polarization The voltage applied between cathode and anode by the transmitter polarizes the surface of the working electrode Therefore after switching on the transmitter with the senor connected you must wait until the polarization period has elapsed before starting calibration To achieve a stable display value the sensor requires the following polarization periods First commissioning ...

Страница 23: ...ero point adjustment can be performed if desired To do so operate the sensor for at least 15 min in chlorine free water using the assembly or protection cap as a vessel Slope calibration Always perform a slope calibration in the following cases After replacing membrane After replacing electrolyte 1 Ensure that the pH value and temperature of the medium are constant 2 Take a sample for the DPD meas...

Страница 24: ... by the sensor differs significantly from that of the DPD method you should first consider all possible malfunctions of the photometric DPD method see Operating Instructions for photometer If necessary repeat the DPD measurement several times Error Possible cause Remedy No display no sensor current No supply voltage at the transmitter Establish mains connection Connection cable between sensor and ...

Страница 25: ...top up electrolyte tap Input flow of medium too low Establish correct flow 9 Foreign oxidants interfering with DPD reference measurement Examine medium check chemicals Use of organic chlorination agents Use agents according to DIN 19643 water may need to be replaced beforehand Display fluctuates considerably Hole in membrane Replace membrane cap External voltage in medium Measure voltage between t...

Страница 26: ...the sensor if the membrane is visibly soiled 26 3 Replace the electrolyte once per season or every 12 months or depending on the chlorine content on site 4 Calibrate the sensor if desired or when necessary 22 9 2 Maintenance tasks 9 2 1 Cleaning the sensor LCAUTION Diluted hydrochloric acid Hydrochloric acid causes irritation if it comes into contact with the skin or eyes When using diluted hydroc...

Страница 27: ...touch the membrane or electrodes Avoid damaging them The electrolyte is chemically neutral and is not hazardous to health Nonetheless do not swallow it and avoid contact with eyes Keep the electrolyte bottle closed after use Do not transfer electrolyte to other vessels Do not store electrolyte for longer than 1 year The electrolyte must not be yellow in color Observe the use by date on the label A...

Страница 28: ...h cold water and leave to dry 4 Screw the sensor down loosely and not to the stop to ensure that the membrane remains slack 5 When recommissioning the sensor proceed according to the Commissioning 22 section 9 2 5 Regenerating the sensor During measurement the electrolyte in the sensor is gradually exhausted due to chemical reactions The gray brown silver chloride layer that is applied to the anod...

Страница 29: ... Polish the sensor s gold cathode using the polishing sheet Place a wetted strip of the sheet in your hand polish the gold cathode on the strip using circular movements and rinse the sensor with deionized water 5 If necessary Top up the electrolyte in the measuring chamber and screw the measuring chamber back onto the sensor shaft 6 Fill the beaker to approx 10 mm 0 4 in with chlorine bleach lye a...

Страница 30: ...ached Cover the beaker to avoid a rapid exchange of air 10 Once the 20 min have elapsed re install the sensor in the assembly 11 Open the medium inlet and outlet again The sensor current will now normalize After allowing sufficient settling time no noticeable drift calibrate the measuring chain ...

Страница 31: ...ISO certified company and also due to legal regulations Endress Hauser is obliged to follow certain procedures when handling any returned products that have been in contact with medium To ensure the swift safe and professional return of the device Refer to the website www endress com support return material for information on the procedure and conditions for returning devices 10 3 Disposal The dev...

Страница 32: ...ns technology Product Configurator on the product page www endress com cyk20 Flowfit CCA250 Flow assembly for chlorine and pH ORP sensors Product Configurator on the product page www endress com cca250 Technical Information TI00062C FlexdipCYA112 Immersion assembly for water and wastewater Modular assembly system for sensors in open basins channels and tanks Material PVC or stainless steel Product...

Страница 33: ...ishing sheets Order No 71076921 12 Technical data 12 1 Input 12 1 1 Measured values Free chlorine hypochlorous acid HOCl 12 1 2 Measuring ranges CCS142D A 0 05 to 20 mg l Cl2 20 C 68 F pH 7 2 CCS142D G 0 01 to 5 mg l Cl2 20 C 68 F pH 7 2 12 1 3 Signal current CCS142D A Approx 25 nA per mg l Cl2 at 20 C 68 F pH 7 2 CCS142D G Approx 80 nA per mg l Cl2 at 20 C 68 F pH 7 2 ...

Страница 34: ...Repeatability Sensor 1 Reference method depending on version Calibration standards do not have long term stability 12 2 6 Nominal slope CCS142D A 25 nA per mg l CCS142D G 80 nA per mg l 12 2 7 Long term drift 1 5 per month 12 2 8 Polarization time First commissioning Recommissioning CCS142D A 60 min 30 min CCS142D G 90 min 45 min 3 Based on ISO 15839 The measured error includes all the uncertainti...

Страница 35: ... 5 to 55 C 20 to 130 F non freezing 12 3 2 Storage temperature With electrolyte 5 to 50 C 40 to 120 F Without electrolyte 20 to 60 C 4 to 140 F 12 3 3 Degree of protection IP 68 up to mounting collar Ø 36 mm 1 42 12 4 Process 12 4 1 Process temperature 0 to 45 C 32 to 110 F non freezing 12 4 2 Process pressure max 2 bar 29 psi absolute if installed in assembly CCA250 12 4 3 pH range At average med...

Страница 36: ...t 0 1 kg 0 2 lbs 12 5 3 Materials Sensor shaft PVC Membrane PTFE Membrane cap PBT GF 30 PVDF Cathode Gold Anode Silver silver chloride 12 5 4 Cable specification max 100 m 330 ft incl Cable extension 13 Installation and operation in hazardous environment Class I Div 2 Non sparking device for use in specified hazardous environment in accordance with cETLus Class I Div 2 Gas group A B C D Temperatur...

Страница 37: ...Chloromax CCS142D Installation and operation in hazardous environment Class I Div 2 Endress Hauser 37 ...

Страница 38: ...sembly 19 Function check 22 I Immersion assembly 19 Incoming acceptance 13 Installation Check 19 Flow assembly 19 Immersion assembly 19 Installation position 16 Sensor 18 Installation position 16 L Long term drift 34 M Maintenance schedule 26 Maintenance tasks 26 Materials 36 Maximum measured error 34 Measured value resolution 34 Measured values 33 Measuring principle 8 Measuring ranges 33 Measuri...

Страница 39: ...ration 22 Cleaning 26 Connecting 20 Mounting 18 Polarization 22 Reconditioning 28 Refilling the electrolyte 27 Regenerating 28 Replacing the membrane 27 storage 28 Spare parts 31 Storage 28 Storage temperature 35 Symbols 4 T Technical data Environment 35 Input 33 Mechanical construction 36 Performance characteristics 34 Process 35 Temperature 12 Troubleshooting 24 U Use 6 W Warnings 4 Weight 36 ...

Страница 40: ...www addresses endress com 71378188 71378188 ...

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