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The Memosens CLS82D conductivity sensor is available with a wide range of process connections.

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Memosens CLS82D with compact 12mm design.

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Memosens CLS82D with clamp connection.

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The 4-electrode technology supports a broad measurement range in hygienic applications such as chromatography, phase separation or fermentation.

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The hygienic design of the sensor is certified by EHEDG and 3-A.

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Conveniently maintain and calibrate your Memosens CLS82D sensor under controlled conditions in your lab with the Memobase Plus software.

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Install the precalibrated Memosens CLS82D sensor in your fermenter and your measurement is instantly ready for the next batch.

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The sensor's position in a fermenter.
Specs at a glance
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Measurement range
1 µS/cm to 500 mS/cm
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Process temperature
-5 to 120 °C (23 to 248 °F)
Sterilization: max. 140 °C at 6 bar for max. 45 min
(Max. 284 °F at 87 psi for max. 45 min) -
Process pressure
17 bar abs at 20 °C (247 psi at 68 °F)
9 bar abs at 120 °C (131 psi at 248 °F)
Field of application
Memosens CLS82D is a hygienic, digital sensor for applications with widely varying conductivity values, where it performs reliably, safe and fast. Numerous certificates, various process connections and a small compact design ensure the perfect fit for your process. Memosens CLS82D is not the latest Memosens generation. To get information on the new Memosens CLS82E sensor with extended functionality, click here.
Memosens CLS82D measures conductivity in applications that need to cover a broad measuring range as in:
Phase separation
Downstream processing
Fermentation
Final rinse in pharma applications
With its international explosion protection approvals, such as ATEX, FM, CSA and NEPSI, the digital sensor is suitable for hazardous area use.
Benefits
Broad measurement range
Hygienic design certified by EHEDG and 3-A
Absolute loop safety thanks to Memosens and unique electrode connection surveillance
Sterilizable and autoclavable
Quality certificate stating the individual cell constant
Logging of sensor-specific data for easy traceability and predictive maintenance
Convenient maintenance strategy with Memobase Plus for easy calibration and sensor management
Videos
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This video shows how Memosens CLS82D uses the 4-electrode measuring principle to reach maximum accuracy over a wide conductivity range and why it is perfectly suited for hygienic applications.
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Memosens converts the measured value to a digital signal and transfers it to the transmitter without a contacting connection. This video shows how Memosens optimizes process control and maintenance.
Extended selection
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High-end products
- Highly functional and convenient
Technical excellence
Simplicity

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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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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
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Lean selection Handle your core processes easily |
Technical excellence
|
Simplicity
|
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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Measuring principle
Conductive
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Application
Phase seperation, chromotography, fermentation, CIP monitoring in small pipes, ultrafiltration
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Characteristic
Conductivity sensor with a broad measurement range for all hygienic applications with advanced requirements to process safety
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Measurement range
1 µS/cm to 500 mS/cm
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Measuring principle
4-electrode conductive conductivity sensor
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Design
Certified hygienic design with FDA compliant materials, available as 120 mm sensor with PG13.5 and in many other standard process connections
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Material
Process connection: stainless steel 1.4435 (316L)
Sensor element: platinum and ceramic -
Dimension
Sensor diameter: 12 mm (0.47 inch)
Electrode length: depending on process connection -
Process temperature
-5 to 120 °C (23 to 248 °F)
Sterilization: max. 140 °C at 6 bar for max. 45 min
(Max. 284 °F at 87 psi for max. 45 min) -
Process pressure
17 bar abs at 20 °C (247 psi at 68 °F)
9 bar abs at 120 °C (131 psi at 248 °F) -
Temperature sensor
Pt1000
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Connection
Clamp 1,5", Clamp 2", Varivent F DN25,Varivent N DN40-DN125, BioControl DN25, PG13,5, DN25 standard/40mm, DN25 B.Braun port/65mm, Threat G1", Thread NPT 1"
Cable: Memosens connector -
Ingres protection
IP 68 / NEMA type 6P
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Additional certifications
3-A, hygienic design EHEDG, ASME BPE-2002
Pharma CoC, FDA, Regulation (EC) No.
1935/2004
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