 
                  Specs at a glance
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                              Measuring rangek=0,01: 0.04 to 20 µS/cm 
 k=0,1: 0.10 to 200 µS/cm
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                              Process temperatureThreaded with fixed cable: 
 -20 to 100 °C (-4 to 212 °F)
 Threaded with plug-in head:
 -20 to 120 °C (-4 to 248 °F)
 Sterilization: max. 140 °C (284 °F) for 30 minutes
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                              Process pressure13 bar at 20 °C (188 psi at 68 °F) absolute 
 2 bar at 120 °C (14 psi at 248 °F) absolute
Field of application
Memosens CLS15E is perfectly suited for conductivity measurement in applications with low measuring ranges such as boiler feedwater and chip cleaning. The contacting conductivity sensor performs reliably and accurately even in hazardous areas. CLS15E features Memosens 2.0 digital technology, offering extended storage of calibration, adjustment and process data. It facilitates predictive maintenance and provides the perfect basis for IIoT services.
Memosens CLS15E measures conductivity in pure and ultrapure water applications for the monitoring and control of:
- Boiler feedwater 
- Ion exchangers 
- Reverse osmosis 
- Cooling water 
- Distillation 
- Chip cleaning 
The digital sensor can be used in power plants for:
- Degassed conductivity 
- pH measurement with differential conductivity 
With its international explosion protection approvals, such as ATEX and FM, the sensor is suitable for hazardous area use.
Benefits
- Designed for low maintenance and a long operating life, the sensor offers best value for money. 
- The sensor is sterilizable and autoclavable, allowing for installation in sterile plants. 
-  Thanks to its electrode geometry, Memosens CLS15E provides reliable and accurate measured values at low conductivities. 
- A quality certificate stating the individual cell constant enables perfect adjustment of the measuring point. 
- IIoT ready: Memosens 2.0 offers extended storage of calibration and process data, enabling better trend identification and providing a future-proof basis for predictive maintenance and enhanced IIoT services. 
- Non-contact inductive signal transmission ensures maximum process safety. 
Videos
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        Standard products 
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        Specialized products 
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Variable
| FLEX selections | Technical excellence | Simplicity | 
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| 
 Fundamental selection Meet your basic measurement needs | Technical excellence | Simplicity | 
| 
 Lean selection Handle your core processes easily | Technical excellence | Simplicity | 
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 Extended selection Optimize your processes with innovative technologies | Technical excellence | Simplicity | 
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 Xpert selection Master your most challenging applications | Technical excellence | Simplicity Variable | 
Predecessor
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                                                    Technical Information (TI)
 Memosens CLS15EEnglish version - 02/2021 Digital conductivity sensor with Memosens 2.0 technology EN 24/02/2021Language: English Version: 24/02/2021 File size: 854.6 KB File name: TI01526CEN_0120.pdf 
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                                                    Operating Instruction (BA)
 Memosens CLS15EEnglish version - 06/2022 Conductivity sensor with Memosens protocol EN 01/06/202224/02/2021Language: English Version: 01/06/2022 File size: 528.2 KB File name: BA02018CEN_0222-00.pdf 
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                                                            Technical Information (TI)
 Memosens CLS15EDigital conductivity sensor with Memosens 2.0 technology EN 24/02/2021Language: English Version: 24/02/2021 File size: 854.6 KB File name: TI01526CEN_0120.pdf 
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                                                            Operating Instruction (BA)
 Memosens CLS15EConductivity sensor with Memosens protocol EN 01/06/202224/02/2021Language: English Version: 01/06/2022 File size: 528.2 KB File name: BA02018CEN_0222-00.pdf 
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                                                            Ex Safety Instruction (XA)
 XA Memosens CLS15E, CLS16E, CLS21E, CLS82EDigital conductivity sensors with Memosens technology 
 INMETRO Ex ia IIC T3/T4/T6 GaEN 04/11/202423/11/2020Language: English Version: 04/11/2024 File size: 502.8 KB File name: XA02078CEN_0224-00.pdf 
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                                                            Ex Safety Instruction (XA)
 XA Memosens CLS15E, CLS16E, CLS21E, CLS82EDigital conductivity sensors with Memosens technology 
 CSA C/US IS Cl. 1 Div. 1 GP A-D T3/T4/T6 + CSA C/US IS Cl. 1 Zone 0 AEx
 ia IIC T3/T4/T6EN 05/04/202431/05/2021Language: English Version: 05/04/2024 File size: 580 KB File name: XA02079CEN_0224-00.pdf 
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                                                            Ex Safety Instruction (XA)
 XA Memosens CLS15E, CLS16E, CLS21E, CLS82EDigital conductivity sensors with Memosens technology 
 NEPSI Ex ia IIC T3/T4/T6 GaEN 08/04/202417/08/2021Language: English Version: 08/04/2024 File size: 591.8 KB File name: XA02543CEN_0224-00.pdf 
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                                                            Ex Safety Instruction (XA)
 XA Memosens CLS15E, CLS16E, CLS21E, CLS82EDigital conductivity sensors with Memosens technology 
 KOR Ex ia IIC T6...T3 GaEN 25/03/202414/01/2022Language: English Version: 25/03/2024 File size: 488.9 KB File name: XA02802CEN_0224-00.pdf 
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                                                            Ex Safety Instruction (XA)
 Memosens CLS15E, CLS16E, CLS21E, CLS82ESupplement to: BA02018C, BA02019C, BA02020C and BA02027C 
 Safety instructions for electrical apparatus in explosion-hazardous
 areas
 JPN Ex ia IIC T3/T4/T6 GaEN 19/08/2021Language: English Version: 19/08/2021 File size: 488.3 KB File name: XA02686CEN_0121.pdf 
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                                                            Ex Safety Instruction (XA)
 XA Memosens CLS15E, CLS16E, CLS21E, CLS82EDigital conductivity sensors with Memosens technology 
 UK II 1 G Ex ia IIC T3/T4/T6 GaEN 11/03/202415/01/202231/05/2021Language: English Version: 11/03/2024 File size: 492.9 KB File name: XA02553CEN_0324-00.pdf 
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                                                            Ex Safety Instruction (XA)
 Memosens CLS15E, CLS16E, CLS21E, CLS82EEAC Ex 0Ex ia IIC T3/T4/T6 Ga X 
 Safety instructions for electrical apparatus in explosion-hazardous
 areasEN 21/09/2022Language: English Version: 21/09/2022 File size: 489.2 KB File name: XA02081CEN_0122-00.pdf 
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                                                            Ex Safety Instruction (XA)
 XA Memosens CLS15E, CLS16E, CLS21E, CLS82EDigital conductivity sensors with Memosens technology 
 ATEX: II 1 G Ex ia IIC T3/T4/T6 Ga
 IECEx: Ex ia IIC T3/T4/T6 GaEN 13/03/202404/12/2020Language: English Version: 13/03/2024 File size: 496.2 KB File name: XA02080CEN_0224-00.pdf 
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