Leading Manufacturer of Water Quality Probes, Transmitters & Controllers. For Measurements of Conductivity, TDS, Resistivity, pH & ORP

Distributor of Liquid Processing & Handling Equipment. Flow, Pressure, Temperature & Level Measurement & Control, Pumps and Valves

Pathfinder is one of the only companies making conductivity transmitters that measure in the 0-10 microsiemens range.

With our products, you can accurately measure the highest purity water possible, to below 10 microsiemens.

Our transmitters and probes are customizable to meet your specific needs — we can help you measure particulates and minerals in water for a wide range of applications.

Pathfinder Instruments

21955 Plummer Street
Chatsworth, CA 91311

Hours of Operation

9:00 AM – 5:00 PM PST