For Water Quality & Control – Conductivity and Resistivity Probes

Water Quality

Conductivity & Resistivity Sensors

When It Has To Be Accurate

  • Our Sensors monitor a number of important measurements:
  • The effectiveness of the filtration process for potable water
  • The mineral parts-per-million in desalination systems
  • The total dissolved solids for waste water treatment applications
  • The purity of water in applications where electroconductivity must be avoided
  • The purity of water to be used in pharmaceutical, hydrogen fuel cell, and semiconductor processes
  • When it has to be accurate, think Pathfinder Instruments!

Pathfinder RC-20 Resistivity Probe

Pathfinder RC-20 Resistivity Probe (K=.007) provides accurate measurement of ultra pure water for Pharmaceutical, Hydrogen Fuel Cell, and Semiconductor applications.

The RC-20 is a Resistivity/Conductivity Probe that has an Integral Temperature Sensor for automatic temperature compensation. It comes in a variety of cable lengths. Standard cable length is 10 ft, and custom lengths are available up to 60 ft.

The RC-20-SS (shown) has two advantages over the standard unit with the 3/4” NPT male plastic fitting. It will operate at a higher pressure and the SS fitting has ½” NPT male threads allowing it to be used in smaller pipelines.

To learn more, click here.

Pathfinder HPT-12 Resistivity Transmitter

The Model HPT-12 Transmitter converts the resistivity cell signal to a usable 1-1.2 VDC output proportional to the Megohm/cm level using an RC-20 probe.
Reliable Conductivity Measurement for Water

Conductivity transmitters are analytical transmitters designed for monitoring electrical conductivity levels within a given solution for industrial process, pharmaceutical production and water quality monitoring. Conversely, resistivity transmitters monitor how strongly a solution opposes the flow of electric current.

Conductivity measurements are used routinely in many industrial and environmental applications as a fast, inexpensive and reliable way of measuring the ionic content in a solution. For example, the measurement of product conductivity is a typical way to monitor and continuously trend the performance of water purification systems.

To learn more, click here.

Pathfinder Instruments

21955 Plummer Street
Chatsworth, CA 91311

Hours of Operation

9:00 AM – 5:00 PM PST