Browse by Parameter

Sensorex specializes in the design and manufacture of electrochemical and optical water quality sensors. Select a parameter to learn more about our products and capabilities:


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Oxidation Reduction Potential (ORP)

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Conductivity (EC)

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Dissolved Oxygen (DO)

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Free Chlorine (FCL)

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Chlorine Dioxide (CLD)

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UV Transmittance (UVT)

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Our Products

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Browse by Application

We build water quality sensors for a range of applications, from boilers and cooling towers to hydroponics and swimming pools. Select your application to learn more:

Industrial Water & Wastewater Treatment

Industrial Water & Wastewater Treatment

Including boiler water, cooling water, and wet scrubbers

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Municipal Water

Municipal Water & Wastewater Treatment

Including drinking water treatment, sewage, and water reuse

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Industrial Water & Wastewater Treatment

Environmental Monitoring

Including surface water, groundwater, and ocean monitoring

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Laboratory & Analytical

Including clinical automation, bioprocessing, and education

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Pool & Spa Treatment

Pool and Spa

Sensors and instruments to ensure pool and spa safety

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Agriculture & Hydroponics

Monitoring products for promoting healthy growing environments

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Food & Beverage

Food & Beverage

Including brewing, dairy, brine, and sugar processing

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Have a custom project?  We’re ready to work with you on it.


Featured Products

New & interesting standard products available to order online in our web store

Stainless Steel Boiler Conductivity Probes

Heavy-duty industrial and boiler conductivity sensors with 316 stainless steel construction for use in 3/4″ NPT openings. Featuring thermally-resistant PEEK insert and high temperature sealing rings for demanding applications. Supplied with 6″ PTFE coated leads for junction box connection and extension (not included). For use with CX3000 Online Conductivity Transmitter/Controller for boiler applications or CX2000 Online Conductivity Transmitter/Controller for industrial control of conductivity and total dissolved solids (TDS).

  • Ideal for boiler applications and easily mounted in 3/4″ cross
  • True industrial-grade sensor with 316 stainless steel construction
  • Automatic temperature compensation (ATC) for reliable measurement across wide temperature range
  • Configurable cell constant to match hardware configuration for simple integration
  • One year limited warranty
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Handheld UV Transmittance Monitor

Our UVT-LED-H Handheld UV Transmittance Monitor is ergonomic, lightweight, and simple to use. Obtain incredibly accurate UV Transmittance data on water samples with easy one-button operation.  The UVT-LED-H features high performance LED technology for up to 5x longer lifetime, easy to read backlit LCD to instantly display measurements, and integrated rechargeable Nickel Cadmium battery, all in one of the most compact packages of any UV Transmittance sensor available.

  • Stable measurements driven by high-performance UV-C LED technology
  • Ergonomic, lightweight and portable
  • No warm up time, no disposable cuvettes, and no replacement lamps
  • Take up to 350 measurements on a single battery charge
  • Quick and easy calibration with DI water
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How can we help you with your
water quality monitoring goals?