Endress + Hauser Operating Instructions Condumax CLS15/16/21 Analog sensors For conductive measurement of conductivity in liquids

BA01148C/07/EN/03.16 71337736 Products Solutions Services Operating Instructions Condumax CLS15/16/21 Analog sensors For conductive measurement of conductivity in liquids 0 Table of contents Table of contents 1 Document information . . . . . . . . . 3 1.1 1.2 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Basic safety instructions . . . . . . . 4 2.1 2.2 2.3 2.4 2.5 Requirements for personnel . . . . . . . . . . . Designated use . . . . . . . . . . . . . . . . . . . . . . Occupational safety . . . . . . . . . . . . . . . . . . Operational safety . . . . . . . . . . . . . . . . . . . Product safety . . . . . . . . . . . . . . . . . . . . . . . 3 Incoming acceptance and product identification . . . . . . . . . . 7 3.1 3.2 3.3 3.4 Incoming acceptance . . . . . . . . . . . . . . . . . Product identification . . . . . . . . . . . . . . . . . Scope of delivery . . . . . . . . . . . . . . . . . . . . . Certificates and approvals . . . . . . . . . . . . . 4 Installation . . . . . . . . . . . . . . . . . . . . 10 4.1 4.2 Mounting the sensor . . . . . . . . . . . . . . . . 10 Post-installation check . . . . . . . . . . . . . . . 14 4 4 4 5 5 7 7 8 8 5 Electrical connection . . . . . . . . . . 14 5.1 5.2 5.3 5.4 Connection conditions . . . . . . . . . . . . . . . Connecting the sensor . . . . . . . . . . . . . . . Ensuring the degree of protection . . . . . Post-connection check . . . . . . . . . . . . . . . 6 Commissioning . . . . . . . . . . . . . . . . 17 7 Maintenance . . . . . . . . . . . . . . . . . . 18 15 16 17 17 8 Repair . . . . . . . . . . . . . . . . . . . . . . . . . . 19 8.1 8.2 8.3 Sealing ring replacement and recalibration (CLS16 only) . . . . . . . . . . . . 19 Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 9 Technical data . . . . . . . . . . . . . . . . . 21 10 EU Declaration of conformity . . . . . . . . . . . . . . . . . . . . . 27 2 Endress+Hauser Condumax CLS15/16/21 Document information 1 Document information 1.1 Warnings Structure of information LDANGER Causes (/consequences) Consequences of non-compliance (if applicable) ‣ Corrective action LWARNING Causes (/consequences) Consequences of non-compliance (if applicable) ‣ Corrective action LCAUTION Causes (/consequences) Consequences of non-compliance (if applicable) ‣ Corrective action NOTICE Meaning This symbol alerts you to a dangerous situation. Failure to avoid the dangerous situation will result in a fatal or serious injury. This symbol alerts you to a dangerous situation. Failure to avoid the dangerous situation can result in a fatal or serious injury. This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in minor or more serious injuries. This symbol alerts you to situations which may result in damage to property. Cause/situation Consequences of non-compliance (if applicable) ‣ Action/note 1.2 Symbols Symbol Meaning Additional information, tips Permitted or recommended Not permitted or not recommended Reference to device documentation Reference to page Reference to graphic  Endress+Hauser Result of a step 3 Basic safety instructions 2 Basic safety instructions 2.1 Requirements for personnel Condumax CLS15/16/21 • Installation, commissioning, operation and maintenance of the measuring system may be carried out only by specially trained technical personnel. • The technical personnel must be authorized by the plant operator to carry out the specified activities. • The electrical connection may be performed only by an electrical technician. • The technical personnel must have read and understood these Operating Instructions and must follow the instructions contained therein. • Measuring point faults may be repaired only by authorized and specially trained personnel. Repairs not described in the Operating Instructions provided may only be carried out directly by the manufacturer or by the service organization. 2.2 Designated use The conductivity sensors are designed for the conductive measurement of the conductivity of liquids. They are used in the following fields: Sensor Applications Hazardous areas Condumax CLS15 Measurements in pure and ultrapure water Approved for Ex zone 0 Condumax CLS16 Measurements in pure and ultrapure water with hygienic requirements Approved for Ex zone 0 Condumax CLS21 Measurements in media with medium or high conductivity Approved for Ex zone 0 Use of the device for any purpose other than that described, poses a threat to the safety of people and of the entire measuring system and is therefore not permitted. The manufacturer is not liable for damage caused by improper or non-designated use. 2.3 Occupational safety As the user, you are responsible for complying with the following safety conditions: • Installation guidelines • Local standards and regulations • Regulations for explosion protection Electromagnetic compatibility • The product has been tested for electromagnetic compatibility in accordance with the applicable European standards for industrial applications. • The electromagnetic compatibility indicated applies only to a product that has been connected in accordance with these Operating Instructions. 4 Endress+Hauser Condumax CLS15/16/21 2.4 Basic safety instructions Operational safety 1. Before commissioning the entire measuring point, verify that all connections are correct. Ensure that electrical cables and hose connections are undamaged. 2. Do not operate damaged products, and safeguard them to ensure that they are not operated inadvertently. Label the damaged product as defective. 3. If faults cannot be rectified: Take the products out of operation and safeguard them to ensure that they are not operated inadvertently. 2.5 Product safety 2.5.1 State of the art The product is designed to meet state-of-the-art safety requirements, has been tested, and left the factory in a condition in which it is safe to operate. The relevant regulations and European standards have been observed. 2.5.2 Electrical equipment in hazardous areas ATEX/NEPSI II 1G Ex ia IIC T3/T4/T6 Ga • The sensors CLS15 / CLS16 / CLS21 have been developed and manufactured in compliance with applicable European standards and guidelines and are suitable for use in hazardous areas. The EC type examination certificate confirms compliance with the harmonized European standards for using the sensors in hazardous areas. The corresponding EU declaration of conformity is part of this document. • The sensors may only be operated on suitable intrinsically safe circuits. Make sure that the maximal permissible sensor input characteristic values, the maximum permissible inductance Li and capacitance values Ci in these circuits and the ambient temperature ranges indicated are not exceeded. • The electrical connection must be made according to the wiring diagram of the transmitter. • Metallic process connection parts must be mounted at the mounting location electrostatically conductive (< 1 MΩ). • The CLS15-type sensors with non-metal process connections and the CLS21-type sensors may only be employed for measurement in liquids with a minimum conductivity of 10 nS/cm. • The CLS15-type sensors with non-metal process connections may not be operated under process conditions in which electrostatic charging of the sensor, and particularly of the electrically insulated outer electrode, is likely to occur. • The maximum permissible cable length is limited by the maximum permissible characteristic values of the transmitter: the total of the maximum permissible inductance Li and capacitance values Ci for the sensor and measuring cable may not exceed the maximum permissible inductance Lo and capacitance values Co for the transmitter. • When connected to the Mycom S CLM153 transmitter, the maximum permissible length of measuring cables CYK71/CYK71-Ex or CPK9 is 16 m. When connected to the Liquiline M CM42 transmitter, the maximum length is 50 m. • Full compliance with regulations for electrical systems in hazardous areas (e.g. EN/IEC 60079-14) is mandatory when using the devices and sensors. Endress+Hauser 5 Basic safety instructions Condumax CLS15/16/21 Temperature classes Name Type Medium temp. Ta for temperature class (Tn) Cat. x1 x2 x3 x4 Condumax CLS15 - * ** * A -20 °C ≤ Ta ≤ +140 °C (T3) -20 °C ≤ Ta ≤ +115 °C (T4) -20 °C ≤ Ta ≤ +65 °C (T6) II 1G Condumax CLS16 - X ** * A/B -5 °C ≤ Ta ≤ +150 °C (T3) -5 °C ≤ Ta ≤ +115 °C (T4) -5 °C ≤ Ta ≤ +65 °C (T6) II 1G Condumax CLS21 - * ** * D -20 °C ≤ Ta ≤ +135 °C (T3) -20 °C ≤ Ta ≤ +130 °C (T4) -20 °C ≤ Ta ≤ +80 °C (T6) II 1G CLS21 - * ** * A -20 °C ≤ Ta ≤ +135 °C (T3) -20 °C ≤ Ta ≤ +115 °C (T4) -20 °C ≤ Ta ≤ +65 °C (T6) II 1G X ... Variant not applicable x1 ... Measuring range and cell constant (no Ex relevance) x2 ... Process connection / material (no Ex relevance) x3 ... Measuring cable connection x4 ... Temperature sensor: A = Pt 100, B = Pt 1000, D = without temperature sensor • If the specified medium temperatures are complied with, temperatures that are not permitted for the respective temperature class will not occur on the equipment. • With the exception of sensor version CLS15-*1M**, for functional reasons the CLS15 sensors may only be operated up to 120 °C (248 °F) during continuous operation / and up to 140 °C (284 °F) for short periods. The CLS15-*1M** version may only be operated up to 100 °C (212 °F) during continuous operation. • For functional reasons, the CLS16 sensors may only be operated up to 120 °C (248 °F) during continuous operation / and up to 150 °C (302 °F) for short periods. The following connection values are safety limits which may not be exceeded when connecting to the transmitter: Parameters Connection data Supply circuit Intrinsically safe Maximum input voltage Ui 6 15 V Maximum input current Ii 30 mA Maximum input power Pi 130 mW Maximum internal capacitance Ci Negligible Maximum internal inductance Li Negligible Endress+Hauser Condumax CLS15/16/21 Parameters Incoming acceptance and product identification Connection data Measuring cable CPK9 / CYK71 Maximum internal capacitance Ci 1 nF/m Maximum internal inductance Li 6 µH/m FM/CSA IS/NI Cl.1 Div.1&2 Gr. A-D Observe the documentation and the control drawings of the transmitter. 3 Incoming acceptance and product identification 3.1 Incoming acceptance 1. Verify that the packaging is undamaged.  Notify your supplier of any damage to the packaging. Keep the damaged packaging until the matter has been settled. 2. Verify that the contents are undamaged.  Notify your supplier of any damage to the delivery contents. Keep the damaged products until the matter has been settled. 3. Check the delivery for completeness.  Check it against the delivery papers and your order. 4. Pack the product for storage and transportation in such a way that it is protected against impact and moisture.  The original packaging offers the best protection. The permitted ambient conditions must be observed (see "Technical data"). If you have any questions, please contact your supplier or your local sales center. 3.2 Product identification 3.2.1 Nameplate The nameplate provides you with the following information on your device: • Manufacturer identification • Extended order code • Serial number • Safety information and warnings • Cell constant (nominal value) • Protection class • Ex labeling on hazardous area versions ‣ Compare the data on the nameplate with your order. Endress+Hauser 7 Incoming acceptance and product identification 3.2.2 Condumax CLS15/16/21 Product identification Product page www.endress.com/cls15 www.endress.com/cls16 www.endress.com/cls21 Interpreting the order code The order code and serial number of your product can be found in the following locations: • On the nameplate • In the delivery papers Obtaining information on the product 1. Go to the product page for your product on the Internet. 2. At the bottom of the page, select the "Online Tools" link followed by "Check your device features".  An additional window opens. 3. Enter the order code from the nameplate into the search field, and then select "Show details".  You will receive information on each feature (selected option) of the order code. Manufacturer's address Endress+Hauser Conducta GmbH+Co. KG Dieselstraße 24 D-70839 Gerlingen 3.3 Scope of delivery The scope of delivery includes: • Sensor in the version ordered • Cable connector, for connecting to CYK71 measuring cable (only for plug-in head versions CLS15 CLS21) • Operating Instructions 3.4 Certificates and approvals 3.4.1  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 successful testing of the product by affixing to it the  mark. 8 Endress+Hauser Condumax CLS15/16/21 3.4.2 Incoming acceptance and product identification Hazardous area approvals ATEX II 1G Ex ia IIC T3/T4/T6 Ga FM/CSA IS/NI Cl. I Div.1&2 Gr. A-D in conjunction with Liquiline M CM42 transmitter 3.4.3 EHEDG (CLS16 only) Validated as follows: • Cleanability in accordance with EHEDG, Document 2 • Sterilizability in accordance with EHEDG, Document 5 • Bacteria-tightness in accordance with EHEDG, Document 7 3.4.4 FDA (CLS16 only) All materials in contact with the product are listed by the FDA. 3.4.5 Manufacturer inspection certificate Stating the individual cell constant 3.4.6 Biological reactivity test (USP class VI, CLS16 only) Biological reactivity test certificate according to USP (United States Pharmacopeia)part <87> and part <88> class VI with batch traceability of materials in contact with the medium 3.4.7 Inspection certificate in accordance with EN 10204 3.1 A test certificate 3.1 in accordance with EN10204 is supplied depending on the version (→ Product Configurator on the product page). 3.4.8 ASME (CLS16 only) Manufactured in accordance with ASME criteria (American Society of Mechanical Engineers) 3.4.9 Ex-certification body TÜV Rheinland Industrie Service GmbH Cologne Endress+Hauser 9 Installation Condumax CLS15/16/21 4 Installation 4.1 Mounting the sensor 4.1.1 CLS15 The sensors are installed directly via the process connection thread NPT ½" or ¾" or clamp 1 ½". As an option, the sensor can also be installed using a commercially available Tpiece or cross fitting or using a flow assembly. NOTICE Incorrect mounting or disassembly The sensor head could become loose and fall off, resulting in total sensor failure ‣ Only mount the sensor via the process connection. ‣ To do so, use a suitable tool, such as an open-ended wrench. 10 Endress+Hauser Installation 25 (0.98) Condumax CLS15/16/21 1 38.5 (1.52) 30 (1.18) 35 (1.38) 3 160 (6.30) NPT ½” 2 Ø 6 (0.24) 1 3 2 Ø 6 (0.24) Ø 29 (1.14) A0024199 1 1 2 3 With NPT ½" thread in T-piece or cross fitting T-piece or cross fitting (DN 32, 40 or 50) Glue-in VC threaded coupling (NPT ½" for DN 20) Glue-in adapter coupling (for DN 32, 40, 50) A0024200 2 1 2 3 With NPT ½" thread in flow assembly 71042405, dimensions in mm (inch) Sensor holder NPT ½" Inlet Outlet Ensure that the electrodes are fully immersed in the medium during measurement. The immersion depth must be at least 35 mm (1.38"). If the sensor is being used in the ultrapure water range, you must work under air-evacuated conditions. Otherwise the CO2 in the air can dissolve in the water and its (weak) dissociation can increase the conductivity by up to 3 µS/cm. Endress+Hauser 11 Installation 4.1.2 Condumax CLS15/16/21 CLS16 The sensors are installed directly via the process connection. Take the flow direction into consideration when installing in pipes. A0024198 3 Permitted flow direction A0024197 4 Inadmissible flow direction Ensure that the electrodes are fully immersed in the medium during measurement. If the sensor is being used in the ultrapure water range, you must work under air-evacuated conditions. Otherwise the CO2 in the air can dissolve in the water and its (weak) dissociation can increase the conductivity by up to 3 µS/cm. 4.1.3 CLS21 Clamp connection Both sheet-metal brackets and solid brackets can be used to secure the sensor. Sheetmetal brackets have a lower dimensional stability, uneven bearing surfaces causing point loads, and sometimes sharp edges that can damage the clamp. We recommend you only use solid brackets due to their higher dimensional stability. Solid brackets can be used over the entire pressure/temperature range (see pressure-temperature ratings). 12 Endress+Hauser Condumax CLS15/16/21 Installation The sensors are installed directly via the process connection. As an option, the sensor can also be installed via a flow assembly. NOTICE Incorrect mounting or disassembly The sensor head could become loose and fall off, resulting in total sensor failure ‣ Only mount the sensor via the process connection. ‣ To do so, use a suitable tool, such as an open-ended wrench. A0024201 5 Installation in flow assembly CLA751 Endress+Hauser A0024202 6 Installation in flow assembly CLA752 13 Electrical connection Condumax CLS15/16/21 The Dipfit CLA111 immersion assembly is available to install sensors with a G1 thread in vessels. A B D A0024145 7 Installation in Dipfit CLA111 immersion assembly, fastening versions A, B and D Ensure that the electrodes are fully immersed in the medium during measurement. 4.2 Post-installation check • Are the sensor and cable undamaged? • Is the sensor installed in the process connection and is not suspended from the cable? 5 Electrical connection LWARNING Device is live Incorrect connection may result in injury or death ‣ The electrical connection may be performed only by an electrical technician. ‣ The electrical technician must have read and understood these Operating Instructions and must follow the instructions contained therein. ‣ Prior to commencing connection work, ensure that no voltage is present on any cable. 14 Endress+Hauser Condumax CLS15/16/21 Electrical connection 5.1 Connection conditions 5.1.1 Connection at a glance Zone 1 IIC 2G EX Ex ia Ga Ex ia Ga CPS41 CPS42 CPS441 CPS11 CPS12 CPS71 CPS72 CPS91 CPS13 CPS64 CPS471 CPS491 Zone 0 IIC 1G Zone 2 IIC 3G EX CLS50 CLS54 CLS12 CLS13 CLS15 CLS16 CLS21 A0031175 8 Electrical connection in hazardous areas Endress+Hauser 15 Electrical connection Condumax CLS15/16/21 5.2 Connecting the sensor 5.2.1 CLS15 and CLS21 The sensor is connected via the fixed cable or via the CYK71 measuring cable with a shield. The wiring diagram is provided in the Operating Instructions of the transmitter used. } GN WH YE BN n.c. 3 } 1 Pt 100 GN/YE Outer shield (see wiring diagram of transmitter) Sensor Plug ) shield (outer electrode) 2 conductivity (inner electrode) Cable GY Coax BK Coax inner A0024205-EN 9 Measuring cable CYK71 A compatible cable connector is included in the delivery for the plug-in head versions. You must terminate the CYK71 cable (not included in the delivery) with the cable connector at the sensor end according to the connection diagram above. A VMB junction box and another CYK71 cable are required for the cable extension. 5.2.2 CLS16 The sensor is electrically connected via the CPK9 measuring cable (plug-in head versions) or the sensor's fixed cable. The wiring diagram is provided in the Operating Instructions of the transmitter used. GY BK Outer electrode WH Inner electrode Outer shield (see wiring diagram of transmitter) GN WH YE BN Temp. Temp. Temp. n.c. A0024206-EN  10 Measuring cable CPK9 A VMB junction box and a CYK71 cable are required for the cable extension. 16 Endress+Hauser Condumax CLS15/16/21 5.3 Commissioning 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) agreed for this product can no longer be guaranteed due, for example, to covers being left off or cable (ends) which are loose or insufficiently secured. 5.4 Post-connection check Device condition and specifications Notes Are the outside of the sensor, assembly, cable undamaged? Visual inspection Electrical connection Notes Are the installed cables strain-relieved and not twisted? Is a sufficient length of the cable cores stripped, and is it positioned in the terminal correctly? Check the fit (by pulling gently) 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? 6 Commissioning Before first commissioning, check if: • the sensor is correctly installed • the electrical connection is correct. If using an assembly with automatic cleaning, check that the cleaning medium (e.g. water or air) is connected correctly. LWARNING Escaping process medium Risk of injury from high pressure, high temperatures or chemical hazards ‣ Before applying compressed air to an assembly with cleaning facility, make sure the connections are correctly fitted. ‣ Do not install the assembly in the process if you cannot make the correct connection reliably. Endress+Hauser 17 Maintenance 7 Condumax CLS15/16/21 Maintenance LCAUTION Corrosive chemicals Danger of chemical burns to the eyes and skin. Danger of damage to clothing and equipment ‣ It is absolutely essential to protect the eyes and hands properly when working with acids, bases and organic solvents! ‣ Wear protective goggles and safety gloves. ‣ Clean away splashes on clothes and other objects to prevent any damage. ‣ Pay particular attention to the information provided in the safety data sheets for the chemicals used. LWARNING Hydrofluoric acid and mineral acids Risk of serious or fatal injury from caustic burns ‣ Wear protective goggles to protect your eyes. ‣ Wear protective gloves and appropriate protective clothing. ‣ Avoid all contact with the eyes, mouth and skin. ‣ If using hydrofluoric acid, only use plastic vessels. LWARNING Thiocarbamide Harmful if swallowed. Limited evidence of carcinogenicity. Possible risk of harm to the unborn child. Dangerous for the environment with long-term effects. ‣ Wear protective goggles, protective gloves and appropriate protective clothing. ‣ Avoid all contact with the eyes, mouth and skin. ‣ Avoid releases into the environment. Clean away fouling on the sensor as follows depending on the type of fouling: 1. Oily and greasy films: Clean with grease remover, e.g. alcohol, as well as hot water and (alkaline) agents containing surfactants (e.g. dishwashing detergent). 2. Lime, cyanide and metal hydroxide buildup and low solubility organic buildup: Dissolve buildup with diluted hydrochloric acid (3 %) and then rinse thoroughly with plenty of clear water. 3. Sulfidic buildup (from flue gas desulfurization or sewage treatment plants): Use a mixture of hydrochloric acid (3 %) and thiocarbamide (commercially available) and then rinse thoroughly with plenty of clear water. 4. Buildup containing proteins (e.g. food industry): Use a mixture of hydrochloric acid (0.5 %) and pepsin (commercially available) and then rinse thoroughly with plenty of clear water. 18 Endress+Hauser Condumax CLS15/16/21 5. Repair Readily soluble biological buildup: Rinse with pressurized water. After cleaning or regeneration, you must rinse the sensor thoroughly with water and then recalibrate it. 8 Repair 8.1 Sealing ring replacement and recalibration (CLS16 only) Intact seals are a prerequisite for safe and reliable measurements. The seal should be replaced at regular intervals to guarantee maximum sensor operational safety and hygiene. Practical repair intervals can only be determined by the user as they depend greatly on the operating conditions, such as: • Type and temperature of the product • Type and temperature of the cleaning agent • Number of cleanings • Number of sterilizations • Operating environment Recommended intervals for seal replacement (reference values) Application Window Media with temperatures from 50 to 100 °C (122 to 212 °F) Approx. 18 months Media with temperatures < 50 °C (122 °F) Approx. 36 months Sterilization cycles, max. 150 °C (302 °F), 45 min. Approx. 400 cycles To ensure your sensor is operational again after being exposed to very high loads, you can have it regenerated in the factory. In the factory, the sensor is fitted with new seals and recalibrated. Please contact your sales office for information on replacing the seal and recalibration in the factory. 8.2 Return The product must be returned if repairs or a factory calibration are required, or if the wrong product was ordered or delivered. As an 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 swift, safe and professional device returns, please read the return procedures and conditions at www.endress.com/support/return-material. Endress+Hauser 19 Repair 8.3 Condumax CLS15/16/21 Disposal The device contains electronic components and must therefore be disposed of in accordance with regulations on the disposal of electronic waste. Observe the local regulations. 20 Endress+Hauser Condumax CLS15/16/21 9 Technical data 9.1 Input 9.1.1 Measured values Technical data • Conductivity • Temperature 9.1.2 Measuring ranges Conductivity CLS15-A CLS15-B/L CLS16 CLS21 Temperature CLS15 CLS16 CLS21 9.1.3 -20 to 140 °C (-4 to 280 °F) -5 to 150 °C (23 to 300 °F) -20 to 135 °C (-4 to 275 °F) Cell constant CLS15-A CLS15-B/L CLS16 CLS21 9.1.4 (in relation to water at 25 °C (77 °F)) 0.04 to 20 μS/cm 0.10 to 200 μS/cm 0.04 to 500 μS/cm 10 μS/cm to 20 mS/cm k = 0.01 cm–1 k = 0.1 cm–1 k = 0.1 cm–1 k = 1.0 cm–1, nominal Temperature compensation Pt 100 (class A as per IEC 60751) (CLS15) (CLS16) (CLS21) Pt 1000 (class A as per IEC 60751)(CLS16, optional) Endress+Hauser 21 Technical data 9.2 Performance characteristics 9.2.1 Uncertainty of measurement Condumax CLS15/16/21 CLS15 Each individual sensor is factory-measured in a solution of approx. 5 μS/cm for cell constant 0.01 cm-1 or approx. 50 μS/cm for cell constant 0.1 cm-1 using a reference measuring system traceable to NIST or PTB. The exact cell constant is entered into the quality certificate supplied. The uncertainty of measurement in determining the cell constant is 1.0 %. CLS16 Each individual sensor is factory-measured in a solution of approx. 5 μS/cm using a reference measuring system traceable to NIST or PTB. The exact cell constant is entered into the quality certificate supplied. The uncertainty of measurement in determining the cell constant is 1.0 %. CLS21 Each individual sensor is factory-measured in a solution of approx. 500 µS/cmusing a reference measuring system traceable to NIST or PTB. The exact cell constant is entered into the quality certificate supplied. The uncertainty of measurement in determining the cell constant is 1.0 %. 22 Endress+Hauser Condumax CLS15/16/21 9.3 Environment 9.3.1 Ambient temperature range Technical data -20 to +60 °C (-4 to 140 °F) 9.3.2 Storage temperature -25 to +80 °C (-10 to +180 °F) 9.3.3 Degree of protection CLS15 CLS16 Fixed cable version TOP68 plug-in system CLS21 Fixed cable version Plug-in head version 9.4 Process 9.4.1 Process temperature IP 67 / NEMA 6 IP 67 / NEMA 6 IP 68 / NEMA 6 IP 67 / NEMA 6 IP 65 / NEMA 4X CLS15 Threaded version with fixed cable -20 to 100 °C (-4 to 212 °F) Threaded version with plug-in head, Clamp version Normal operation -20 to 120 °C (-4 to 248 °F) Sterilization (max. 1 h) 1) Max. 140 °C (284 °F) CLS16 Normal operation -5 to 120 °C (23 to 248 °F) Sterilization (max. 45 min) Max. 150 °C (302 °F) at 6 bar (87 psi) absolute CLS21 Threaded version with fixed cable -20 to 100 °C (-4 to 212 °F) Version with plug-in head, Clamp version-20 to +135 °C (-4 to 275 °F) at 3.5 bar (50 psi) absolute 1) Threaded versions: max. 30 minutes Endress+Hauser 23 Technical data 9.4.2 Condumax CLS15/16/21 Process pressure CLS15 13 bar (188 psi) absolute, at 20 °C (68 °F) 2 bar (29 psi) absolute, at 120 °C (248 °F) 13 bar (188 psi) absolute, at 20 °C (68 °F) 9 bar (130 psi) absolute, at 120 °C (248 °F) 0.1 bar (1.5 psi) absolute (negative pressure), at 20 °C (68 °F) 17 bar (246 psi) absolute, at 20 °C (68 °F) CLS16 CLS21 9.4.3 Temperature/pressure ratings CLS15 p (abs.) [psi] [bar] 188 13 159 11 130 9 101 7 72 5 43 3 14 1 –20 -4 0 20 40 60 80 100 120 140 68 212 248 284 20 60 100 140 180 220 260 [°C] T [°F] A B A0031429-EN  11 A B 24 Mechanical pressure-temperature resistance Can be sterilized for a short time (1 hour) Threaded version with fixed cable Endress+Hauser Condumax CLS15/16/21 Technical data CLS16 p (abs.) [psi] [bar] 188 13 159 11 130 9 101 7 87 6 72 5 43 3 A 1 14 1.5 0.1 –5 20 68 23 100 120 150 [°C] 60 120 60 180 T 302 248 300 [°F] 240 A0031431-EN  12 A Mechanical pressure-temperature resistance Can be sterilized for a short time (45 min.) CLS21 p (abs.) [psi] [bar] 246 17 188 13 130 9 72 5 51 14 3.5 1 -20 0 -4 20 20 30 68 60 90 120 60 100 140 180 220 135 [°C] T 275 [°F] A0031435-EN  13 Mechanical pressure-temperature resistance 9.5 Mechanical construction 9.5.1 Weight CLS15 and CLS21 Approx. 0.3 kg (0.66 lbs) depending on version Endress+Hauser 25 Technical data Condumax CLS15/16/21 CLS16 Approx. 0.13 to 0.75 kg (0.29 to 1.65 lbs) depending on version 9.5.2 Materials CLS15 Electrodes Sensor shaft O-ring, in contact with medium (only Clamp version) CLS16 Electrodes Seal Electropolished, stainless steel 1.4435 (AISI 316L) Gasket seal ISOLAST (FFKM), FDA-compliant CLS21 Electrodes Sensor shaft Thermal conductivity socket for temperature probe 9.5.3 Polished, stainless steel 1.4435 (AISI 316L) Polyethersulfone (PES-GF20) EPDM Graphite Polyethersulfone (PES-GF20) Titanium 3.7035 Process connection CLS15 Thread NPT ½" and ¾" Clamp 1½" as per ISO 2852 CLS16 Clamp 1", 1½", 2" as per ISO 2852 (also suitable for TRI-CLAMP, DIN 32676) Tuchenhagen VARIVENT N DN 50 to 125 NEUMO BioControl D50 CLS21 Thread G1 NPT 1" thread Clamp 2" as per ISO 2852 Sanitary connection DN 25 as per DIN 11851 9.5.4 Surface roughness (CLS15, CLS16 only) CLS15 Ra ≤ 0.8 μm CLS16 Ra ≤ 0.8 μm, electropolished Ra ≤ 0.38 μm, electropolished, optional 26 Endress+Hauser Condumax CLS15/16/21 10 EU Declaration of conformity EU Declaration of conformity Endress+Hauser 27 *71337736* 71337736 www.addresses.endress.com