Mechanical - Electrical - Instrumentation

Conductivity Probes

Conductivity Probes

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Conductivity Probes


Conductivity sensor for water analysis

Reliable conductivity sensor of the OPTISENS 1000 series for use in water analysis
Standard design with different cell constants
Integrated temperature compensation

The conductivity sensors of the OPTISENS 1000 series have a standardised robust design and a long lifespan. In combination with a OPTISENS 050 converter, it is possible to create extremely reliable low-cost measurement systems, which are suitable for a wide range of water analysis measurement tasks.

The conductive measurement principle is characterised by high sensitivity, especially at low conductivity values. For this reason, the CAS 1000 sensors are perfect for low-contaminated, non-corrosive media such as pure water, steam and cooling water.


Suitable for connection to the OPTISENS 050 converters
Conductive measurement with two stainless steel electrodes
Available with cell constants c = 0.05, c = 0.2 and c = 1.0
Integrated temperature sensor (Pt100)
Standard design for all cell constants
Long lifespan

Water industry
Power plants
Food industry
Metal industry and mining
Paper industry
Chemicals industry

Quality control of steam and cooling water
Monitoring of filters / ionic exchangers
Quality control of ultrapure water, drinking water

Options and variants

Sensors of the OPTISENS CAS 1000 series

The CAS 1000 sensors are available in various cell constants and can thus cover a wide area of use. Special versions for other measurement ranges or special operating conditions are available on request.

Available cell constants (c values):

c = 0.05/cm
c = 0.2/cm
c = 1.0/cm

OPTISENS 1000 Assemblies

As a complete provider for water analysis, Krohne naturally offers a complete range of assemblies for the installation of OPTISENS 1000 sensors. Special versions for special operating conditions or other materials are available on request.

Assembly for CAS 1000 sensors:

MAA 1000 Flow assembly conductive DN25 PP

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