Knick Conductivity Measurement
All measuring principles: 2-electrode, 4-electrode, inductive. For all measuring ranges, from ultrapure water to concentrated acid and alkaline solutions. Explosion protection. Intelligent preventive diagnostics with Memosens. Suitable for inline, flow-through and immersion fittings.
MemoSuite Sensor Management Tool
Memosens contactless sensor coupling
SE 600
Conductivity Sensor
4-electrode sensor for high-pressure and high-temperature applications; large measuring range from pure water up to high conductivities.
- Large measuring range due to 4-electrode technology
- Measurement at high temperatures and pressures
- High level of process safety due to durable materials and robust design
- Slim, ultracompact design (25 mm diameter)
For special chemistry applications up to 210 °C and 25 bar. Universal measuring range from pure water to 600 mS/cm. With fixed cable and integrated temperature detector. Process-wetted materials: stainless steel and PTFE; very compact design.
Applications
Special chemical processes; condenser monitoring, also for heavily polluted, e.g. fibrous media, pulp production.
SE 603
Conductivity Sensor
4-electrode sensor with a very broad measuring range, very high corrosion resistance, and high pressure and temperature capability. Sensor materials: PTFE and platinum.
- High level of chemical resistance due to corrosion-proof materials
- Large measuring range due to 4-electrode technology
- Measurement at high temperatures and pressures
- Slim, ultracompact design
For special chemistry applications, universal measuring range from pure water to 600 mS/cm. With fixed cable and integrated temperature detector. Process-wetted materials: PTFE and platinum. Ultracompact design.
Applications
Measurement of pure water up to high conductivities. Highly corrosive chemical processes, bleaching liquors, oxidizing as well as heavily polluted (e.g. fibrous) materials. Condenser leakage monitoring.
SE 604
Conductivity Sensor
Robust 2-electrode sensor. For precise and reliable measurement of low and very low conductivities, particularly in ultrapure water.
- Coaxially arranged electrodes
- Independent of installation conditions
- Integrated temperature detector
- High level of process safety due to durable materials and robust design
- Easy to clean thanks to detachable outer electrode
- Particularly suitable for monitoring ultrapure water in power plants
- Large measuring range from 1 nS/cm to 1,000 μS/cm
- Calibration Certificate
- Suitable PortaSim simulators
Memosens Sensors
- Perfect galvanic isolation thanks to Memosens technology
SE 605 H Memosens
Conductivity Sensor
Robust 2-electrode sensor, for precise and reliable measurement of low and very low conductivities, particularly in ultrapure water, digital, with Memosens technology
- Perfect galvanic isolation thanks to Memosens technology
- Digital data transfer
- Integrated sensor diagnostics
- Large measuring range from ultrapure water to 1000 μS/cm
- Hygienic design
- Electropolished – roughness < 0.4 or < 0.8 μm, resp.
- FDA-certified materials
- Coaxially arranged electrodes
- Independent of installation conditions
- Integrated temperature detector
- High level of process safety due to durable materials and robust design
SE 610
Conductivity Sensor
The low-cost solution for measuring low conductivities in water
- Compact design
- Cost-efficient
- Broad applications
- Robust stainless-steel electrodes
- Integrated temperature detector
- 5 m fixed cable
Compact 2-electrode sensor with coaxial stainless-steel electrodes, integrated temperature detector and fixed cable.
Applications
Drinking water, industrial water, surface water, ion exchangers and reverse osmosis plants, rinse water, seawater desalination plants
SE 615
Memosens 2-Electrode Sensor
Reasonably priced sensor for water and wastewater treatment
- Perfect galvanic isolation thanks to Memosens technology
- No influence of humidity in the connector
- Precalibration in the lab
- Digital data transfer
- Integrated sensor diagnostics
- low maintenance
- Integrated temperature detector
- 2 graphite electrodes
Large measuring range thanks to electrodes made from low polarized special graphite. Designed for MemoRail applications. The SE 615 conductivity sensor with Memosens connector system has 2 graphite electrodes and requires low maintenance.
SE 620
Conductivity Sensor
Pharma-compliant 2-electrode sensor in hygienic design
- Low surface roughness
- Steam-sterilizable
- CIP-capable
- Integrated temperature detector
- Measuring range 0.001 to 50 μS/cm
- Coaxially arranged electrodes
- Independent of installation conditions
- Insulator and sealing materials FDA-listed
- VP screw cap
- PortaSim simulator with VP plug
- Incl. Inspection Certificate 3.1
Conductivity sensor in pharmaceutical design with coaxial electrodes and integrated temperature detector. Low surface roughness of <0.8 µm.
SE625
Conductivity Sensor
Sturdy 2-Electrode Sensor for Precise, Reliable Measurement of Low and Very Low Conductivity, in Particular in Ultrapure Water, Digital, with Memosens Technology
- Large measuring range of 0 … 1,000 μS/cm
- Coaxially arranged electrodes
- Electrodes made of titanium
- Integrated temperature detector
- Durable materials and sturdy design for process safety
- Perfect galvanic isolation thanks to Memosens technology
- Maximum process safety
- Digital data transfer
- Integrated sensor diagnostics
The SE625 conductivity sensor is a coaxial 2-electrode sensor with a measuring range of 0 … 1000 μS/cm. The sensor body is made of stainless steel, the sensing electrodes of titanium.
SE 630
Conductivity Sensor
2-electrode sensor for measuring low to medium conductivity values, flexible application; high chemical, thermal and mechanical resistance
- High level of process safety due to durable materials
- Integrated temperature detector
- Robust design
- Large pressure and temperature range
- Easy to clean
- High-precision measurement of conductivities up to 50 mS/cm (SE 630 MS: up to 20 mS/cm)
- High chemical and thermal resistance
Corrosion-proof materials, graphite electrodes, and PES body. High accuracy and integrated temperature detector for correct temperature compensation and concentration measurement. Large pressure and temperature range.
SE 655
Toroidal Conductivity Sensor
Universal and precise conductivity sensor with high chemical resistance.
- Process-wetted material: PEEK
- Sturdy design
- Resistant to contamination and fouling
- Range of six decades
- Steam sterilizable and CIP capable
- Inductive measuring principle, full galvanic isolation of sensor coils from process medium
- SE655N: Digital with Memosens protocol
- SE655X: Also for hazardous areas
The SE 655 toroidal conductivity sensor is a sturdy and corrosion-resistant sensor that, thanks to its high chemical resistance, is particularly suitable for applications in the chemical industry. A combination of a large sensor opening and dirt-repellent material prevents blockages and deposits in media with a high pollution degree.
SE 656
Toroidal Conductivity Sensor
Universal and precise conductivity sensor with maximum chemical resistance to highly oxidizing media
- Process-wetted material: PFA
- Sturdy design
- Resistant to contamination and fouling
- Range of six decades
- Inductive measuring principle, full galvanic isolation of sensor coils from process medium
- SE 656N: Digital with Memosens protocol
- SE 656X: Also for hazardous areas
The SE 656 toroidal conductivity sensor is a sturdy and corrosion-resistant sensor that, thanks to its high chemical resistance and durability when exposed to aggressive media, is particularly suitable for applications in the chemical industry.
SE 670
Toroidal Conductivity Sensor
Competitively priced digital sensor for measuring low to very high conductivity values, insensitive to contamination and corrosion.
- Digital data transfer
- Cable length up to 100 m
- Competitively priced
- Compact design
- No process-wetted electrodes
- Large measuring range
- Quick-reacting temperature detector
- Insensitive to deposits and contaminations
Universal conductivity sensor with large measuring range for moderate chemical stress. With integrated, extremely fast temperature detector.
Applications
Fresh water and wastewater treatment, electroplating, photographic processes, air conditions, cooling tower monitoring, in-company wastewater treatment plants, monitoring of salts, alkaline solutions, and general concentration monitoring, tanneries, caustic treatment, washers, automotive engineering, rinsing processes
SE 680
Toroidal Conductivity Sensor
High-precision sensor made of FDA-approved PEEK with an extremely large measuring range. Steam-sterilizable.
- Compact design
- Competitively priced
- Large measuring range
- Quick-reacting temperature detector
- Digital data transfer
- Completely closed surface
- Virgin PEEK, FDA type
- Varivent with EHEDG
The joint- and gap-free, sealless design and stain-resistant surface made of Virgin PEEK make the SE 680 a heavy-duty sensor. The inductive technology is not influenced by polarization and does not have any sensor surfaces subject to corrosion.
