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Knick SE 655, SE 656, SE 670, SE 680

Conductivity Sensors
Precision Conductivity for Every Solution

Overview

Our conductivity sensor range includes 2-electrode, 4-electrode, and inductive options, suitable for all measuring ranges from ultrapure water to concentrated acids and alkalis. Features include explosion protection and intelligent diagnostics with Memosens technology. These sensors are compatible with inline, flow-through, and immersion fittings, ensuring versatile performance for various industrial applications.


SE 655 Toroidal Conductivity Sensor

A universal and precise conductivity sensor with high chemical resistance, ideal for applications in the chemical industry. The SE 655 sensor is robust and corrosion-resistant, featuring a large sensor opening and dirt-repellent material to prevent blockages and deposits in highly polluted media. The inductive measuring principle ensures full galvanic isolation from the medium. The sensor covers a range of six decades and is available in a digital version with Memosens protocol (SE 655N) for enhanced process and data security, as well as a version for hazardous areas (SE 655X).

Key Features:

  • Process-wetted material: PEEKKnick SE 655 Toroidal Conductivity Sensor
  • Sturdy design
  • Resistant to contamination and fouling
  • Range covering six decades
  • Steam sterilizable and CIP capable
  • Inductive measuring principle with full galvanic isolation
  • SE 655N: Digital with Memosens protocol
  • SE 655X: Suitable for hazardous areas

Applications:

  • Concentration measurement of acids and bases
  • Online quality monitoring of chemical products in tanks and pipes
  • Phase separation of product mixtures
  • Paper manufacturing with high fiber concentration
  • Heavily soiled media and wastewater
  • Fouling and oil-contaminated media
  • Brine
  • Regeneration of ion exchangers
 
 

SE 656 Toroidal Conductivity Sensor

A robust and corrosion-resistant sensor with maximum chemical resistance, ideal for highly oxidizing media in the chemical industry. The SE 656 features a large sensor opening and dirt-repellent material to prevent blockages in highly polluted media. Its inductive measuring principle ensures full galvanic isolation from the medium. Suitable for various applications, the sensor covers six decades and is available in a digital version with Memosens protocol (SE 656N) for enhanced process and data security, as well as a version for hazardous areas (SE 656X).

Key Features:Knick SE 656 Toroidal Conductivity Sensor

  • Process-wetted material: PFA
  • Sturdy design
  • Resistant to contamination and fouling
  • Range covering six decades
  • Inductive measuring principle with full galvanic isolation
  • SE 656N: Digital with Memosens protocol
  • SE 656X: Suitable for hazardous areas

Applications:

  • Concentration measurement of highly oxidizing acids and bases
  • Online quality monitoring of chemical products in tanks and pipes
  • Phase separation of product mixtures
  • Paper manufacturing with high fiber concentration
  • Heavily soiled media and wastewater
  • Fouling media
 

SE 670 Toroidal Conductivity Sensor

A competitively priced digital sensor for measuring low to very high conductivity values, insensitive to contamination and corrosion. This universal conductivity sensor features a large measuring range for moderate chemical stress, with an integrated, extremely fast temperature detector.

Key Features:

  • Digital data transfer
  • Cable length up to 100 m
  • Competitively priced
  • Knick SE 670 Compact design
  • No process-wetted electrodes
  • Large measuring range
  • Quick-reacting temperature detector
  • Insensitive to deposits and contaminations

Applications:

  • Fresh water and wastewater treatment
  • Electroplating
  • Photographic processes
  • Air conditioning systems
  • Cooling tower monitoring
  • In-company wastewater treatment plants
  • Monitoring of salts, alkaline solutions, and general concentration
  • Tanneries
  • Caustic treatment
  • Washers
  • Automotive engineering
  • Rinsing processes
 

SE 680 Toroidal Conductivity Sensor

A high-precision sensor made of FDA-approved PEEK with an extremely large measuring range. The SE 680 features a steam-sterilizable, joint- and gap-free, sealless design with a stain-resistant surface made of Virgin PEEK, making it a heavy-duty sensor. Its inductive technology is not influenced by polarization and has no sensor surfaces subject to corrosion.

Key Features:

  • Compact design
  • Competitively priced
  • Large measuring rangeSE 680
  • Quick-reacting temperature detector
  • Digital data transfer
  • Completely closed surface
  • Virgin PEEK, FDA-approved
  • Varivent with EHEDG

Applications:

  • Fresh water technology
  • Dairy products
  • Breweries
  • Soft drink manufacturing
  • Electroplating
  • Air-conditioning
  • CIP monitoring in the beverage industry
  • Pharmaceutical applications
  • Cooling tower monitoring
  • On-site wastewater treatment plants
  • Monitoring concentrations of salt solutions, alkalis, and acids
  • Washers and rinsing processes
 

Supplied by DP-Flow

If you require further information on this product or would like a quotation, please contact dp-flow on: