Specs at a glance
-
Measurement range
k=1: 10 µS/cm to 20 mS/cm
-
Process temperature
-20 to 135 °C at 3.5 bar abs
(-4 to 275 °F at 50 psi) -
Process pressure
17 bar abs at 20 °C
(246 psi at 68 °F)
Field of application
Memosens CLS21E is a robust conductivity sensor for all water applications with medium conductivities. It provides you with precise and reliable measured values for optimum quality monitoring. The sensor is corrosion-free and features high mechanical stability ensuring a long operating life. Thanks to Memosens 2.0 digital technology, CLS21E combines maximum process and data integrity with simple operation. It facilitates predictive maintenance and provides the perfect basis for IIoT services.
Memosens CLS21E measures conductivity in all water applications, such as:
Potable water treatment
Desalination plants
Industrial water treatment
River/lake monitoring
With its international explosion protection approvals, such as ATEX, FM, CSA and NEPSI, the digital sensor is suitable for hazardous area use.
Benefits
Reliable and accurate measured values at medium conductivities ensure precise monitoring of water quality.
Robust design for long durability and low maintenance: The sensor is corrosion-free and features high mechanical and chemical stability.
Quality certificate stating the individual cell constant allows accurate measurement.
Non-contact inductive signal transmission ensure maximum process and data integrity.
Memosens 2.0 technology enables the sensor to store more process and calibration data. It lays the basis for IIoT services and predictive maintenance.
Videos
Extended selection
-
High-end products
- Highly functional and convenient
Technical excellence
Simplicity
-
Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
-
Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
| FLEX selections | Technical excellence | Simplicity |
|---|---|---|
Fundamental selection Meet your basic measurement needs |
Technical excellence
|
Simplicity
|
Lean selection Handle your core processes easily |
Technical excellence
|
Simplicity
|
Extended selection Optimize your processes with innovative technologies |
Technical excellence
|
Simplicity
|
Xpert selection Master your most challenging applications |
Technical excellence
|
Simplicity
Variable |
Loading alternative products
Predecessor
Success stories
Could also interest you
Most downloaded
-
-
Operating Instruction (BA)
BA Memosens CLS21E
German version - 04/2023
Leitfähigkeitssensor mit Memosens-Protokoll
EN 20/04/202324/02/2021Language:
German
Version:
20/04/2023
File size:
651 KB
File name:
BA02020CDE_0223-00.pdf
-
-
-
Technical Information (TI)
Memosens CLS21E
French version - 01/2021
Capteur de conductivité numérique avec technologie Memosens
EN 24/02/202131/01/2021Language:
French
Version:
31/01/2021
File size:
969.1 KB
File name:
TI01528CFR_0120.pdf
-
32 documents
-
-
Technical Information (TI)
Memosens CLS21E
Digital conductivity sensor with Memosens technology
EN 24/02/2021Language:
English
Version:
24/02/2021
File size:
967.5 KB
File name:
TI01528CEN_0120.pdf
-
-
-
Operating Instruction (BA)
BA Memosens CLS21E
Conductivity sensor with Memosens protocol
EN 20/04/202324/02/2021Language:
English
Version:
20/04/2023
File size:
649 KB
File name:
BA02020CEN_0223-00.pdf
-
-
-
Ex Safety Instruction (XA)
Memosens CLS15E, CLS16E, CLS21E, CLS82E
Supplement to: BA02018C, BA02019C, BA02020C and BA02027C Safety instructions for electrical apparatus in explosion-hazardous areas
EN 23/11/2020Language:
English
Version:
23/11/2020
File size:
352.8 KB
File name:
XA02078CEN_0120.pdf
-
-
-
Ex Safety Instruction (XA)
Memosens CLS15E, CLS16E, CLS21E, CLS82E
Supplement to: BA02018C, BA02019C, BA02020C and BA02027C Safety instructions for electrical apparatus in explosion-hazardous areas
EN 31/05/2021Language:
English
Version:
31/05/2021
File size:
766.6 KB
File name:
XA02079CEN_0121.pdf
-
-
-
Ex Safety Instruction (XA)
Memosens CLS15E, CLS16E, CLS21E, CLS82E
Supplement to: BA02018C, BA02019C, BA02020C and BA02027C Safety instructions for electrical apparatus in explosion-hazardous areas
EN 17/08/2021Language:
English
Version:
17/08/2021
File size:
592.4 KB
File name:
XA02543CEN_0121.pdf
-
-
-
Ex Safety Instruction (XA)
Memosens CLS15E, CLS16E, CLS21E, CLS82E
Supplement to: BA02018C, BA02019C, BA02020C and BA02027C Safety instructions for electrical apparatus in explosion-hazardous areas UK II 1 G Ex ia IIC T3/T4/T6 Ga
EN 15/01/202231/05/2021Language:
English
Version:
15/01/2022
File size:
493 KB
File name:
XA02553CEN_0222-00.pdf
-
-
-
Ex Safety Instruction (XA)
Memosens CLS15E, CLS16E, CLS21E, CLS82E
EAC Ex 0Ex ia IIC T3/T4/T6 Ga X Safety instructions for electrical apparatus in explosion-hazardous areas
EN 21/09/2022Language:
English
Version:
21/09/2022
File size:
489.2 KB
File name:
XA02081CEN_0122-00.pdf
-
-
-
Ex Safety Instruction (XA)
Memosens CLS15E, CLS16E, CLS21E, CLS82E
Supplement to: BA02018C, BA02019C, BA02020C and BA02027C Safety instructions for electrical apparatus in explosion-hazardous areas KOR Ex ia IIC T6...T3 Ga
EN 14/01/2022Language:
English
Version:
14/01/2022
File size:
489.5 KB
File name:
XA02802CEN_0122-00.pdf
-
-
-
Ex Safety Instruction (XA)
Memosens CLS15E, CLS16E, CLS21E, CLS82E
Supplement to: BA02018C, BA02019C, BA02020C and BA02027C Safety instructions for electrical apparatus in explosion-hazardous areas
EN 04/12/2020Language:
English
Version:
04/12/2020
File size:
865.8 KB
File name:
XA02080CEN_0120.pdf
-
-
-
Ex Safety Instruction (XA)
Memosens CLS15E, CLS16E, CLS21E, CLS82E
Supplement to: BA02018C, BA02019C, BA02020C and BA02027C Safety instructions for electrical apparatus in explosion-hazardous areas JPN Ex ia IIC T3/T4/T6 Ga
EN 19/08/2021Language:
English
Version:
19/08/2021
File size:
488.3 KB
File name:
XA02686CEN_0121.pdf
-
5 products & bundles
5 products
Often bought together
Accessories
- Calibration solution CLY11-A, 74,0 uS/cm
- Calibration solution CLY11-B,149,6 uS/cm
Related products
