Applications / Water & Waste Water

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A complete range of sensors and monitoring systems for demanding waste water conditions and laboratory testing.

Point Four Systems Inc. provides reliable, cost-effective oxygen sensors and oxygen monitors designed for the most demanding conditions in the waste water industry and laboratory test environments.

In addition to our own products, Point Four offers a wide range of sensors and probes manufactured by OxyGuard, Sensorex and YSI.

Water parameters measured include dissolved oxygen (DO), temperature, pH, conductivity/salinity, ORP/Redox, total dissolved gas pressure (TGP), dissolved carbon dioxide (CO2) and dissolved ozone (O3).

All products are supported with on-call service personnel to ensure performance to your specified parameters.