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Conductivity (EC)

What is Conductivity?

Conductivity is an expression of the ability of a solution to conduct electric current. It is expressed as a microsiemen (micro-Siemens per centimeter or µS/cm) or in higher conductivity levels as a millisiemen. It is also the reciprocal of resistivity.

Some industries such as water treatment have adopted a measurement expressed as TDS (Total Dissolved Solids). TDS is approximated with conductivity using a multiple factor and is expressed in parts per million (ppm).

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Custom Conductivity / TDS Sensor Design & Manufacturing

Designing a new water treatment product? We can help. Sensorex specializes in the design and manufacture of custom water analysis sensors for our OEM partners. Collaborate with our expert team of engineers and chemists to design a conductivity sensor that meets the needs of your system. Body size and shape, materials of construction, measurement range, cable length, connector type and other features can be adjusted to fit your application requirements.

Conductivity

Our extensive line of conductivity and TDS products provide options for almost any application.

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Popular ProductsSensorex Conductivity Best Sellers

CS150 – Graphite Contacting Conductivity Sensor, 12 mm

Used for Laboratory and Light Industrial Applications: Cells are made from graphite to provide good performance for the value. Choose…

Add to Cart | $187.00

TDS / Conductivity Calibration Standards

TDS/Conductivity instruments and sensors must be calibrated together. For a single-point calibration, select the one solution that approximates the expected…

Add to Cart | $22.20

CS200 – Contacting Conductivity Sensor, 12 mm Platinum

The CS200 12 mm Platinum Contacting Sensor is ideally suited for laboratory or light industrial process applications. It can be…

Add to Cart | $187.30

CS650 – Conductivity Sensor, Stainless Steel

The Sensorex CS650 Stainless Steel Conductivity Sensor is a general purpose sensor to be used in a variety of benign…

Add to Cart | $380.10

CX105 – Conductivity Transmitter, Loop-Powered 4-20mA

Our CX105 conductivity transmitter is an isolated output 4-20mA industrial transmitter for reading contacting conductivity sensors. The CX105 transmitter also…

Add to Cart | $672.80

EM802-EC – Smart Conductivity Modules (4-20mA or MODBUS/RS485) for S8000 Series

The EM802-EC is our most cost-effective solution for connecting our S8000 series Contacting Conductivity sensors to a PLC or SCADA…

Add to Cart | $314.60

TCSMA – Conductivity Transmitter, Toroidal

Our TCSMA online toroidal conductivity transmitter without display is built for water treatment monitoring and aggressive process chemical applications. Ideally…

Add to Cart | $984.40

ITCS3020 – Smart General Purpose Noryl Toroidal Conductivity Sensor

Sensorex's ITCS3020 Smart General Purpose Noryl Toroidal Conductivity Sensor communicates directly via 4-20mA or Modbus output.  Configuration and calibration done…

Add to Cart | $903.30

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