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Compact conductivity device
Smartec CLD18

Toroidal conductivity measuring system for hygienic applications

  • ©Endress+Hauser
  • The conductivity of a liquid can be measured using the conductive or toroidal measuring principles. This video shows what it is about and how these measuring principles work.

Smartec CLD18 is the cost-effective solution for all applications in beverage plants where small tubes are used and where the toroidal measurement is used as a switch function. The combination of a transmitter and a sensor is interference-free, easy-to-use and features a hygienic design that protects your products and processes from contamination. Smartec CLD18 ensures the Overall Equipment Effectiveness (OEE) of your plant thanks to fast and reliable CIP and phase separation measurements.


  • Unique hygienic design avoids contamination

  • 3-A approval

  • Compliant with EG 2023/2006 and 1935/2004

  • Suitable for cleaning-in-place (CIP)

  • Compact design permits installation in small tubes without restricting the flow

Field of application

The hygienic Smartec CLD18 measures toroidal conductivity in beverage applications:

  • Control of CIP processes in the return channel

  • Concentration control in remaking of CIP cleaning agents

  • Product monitoring in pipe systems, bottling plants

  • Beer - Push water interphase

  • Beer - Water cut for brewing lines

  • Leakage monitoring

It features the following protocols and interfaces:

  • 0/4...20mA

Features and specifications

Documents / Manuals / Software

Accessories / Spare parts

Predecessor / Successor

Predecessor: CLD133, CLD633

Success stories


Endress+Hauser Inc.
2350 Endress Place Greenwood , IN 46143 United States
Tel.: 888-363-7377
Fax: 317-535-8498
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