READINGS YOU CAN RELY ON

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 and services 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.