Specializing In 4-20 mA Water Quality Sensors
Simplify your measurements with durable, accurate, and user-friendly water quality sensors.
All sensors are fully submersible, electrically isolated, and designed to last 10+ years. They incorporate numerous features to avoid headaches such as ground loops and background noise. All dataloggers, PLCs, and SCADA systems that accept analog inputs are compatible.
Which pHionics Sensor Series Is Best For Your Application?
The D-phi Series™
Recommended for recirculating aquaculture systems, process control, hydroponics, and wastewater applications.
- Refillable differential electrode
- Built-in pipe mounting threads
- 1″ diameter
- Titanium and Delrin® housing
Starting at $549 USD
Inline and submersion models available
The STs Series™
Recommended for remote, long-term monitoring applications and narrow pipe/well measurements.
- Field-replaceable electrode
- Built-in 0-50°C temperature sensor
- 0.75″ diameter
- 316 Stainless Steel and Kynar® housing
Starting at $930 USD
Autonomous Data Collection
Easily collect large amounts of accurate water quality data around the world by connecting pHionics sensors with remote telemetry units.
Take early action on changes in groundwater quality to protect crops or prevent harmful agricultural runoff from damaging local waterways.
Maximize fish size and reproduction rate by connecting pHionics sensors with SCADA or PLC systems to maintain optimal water conditions.
…and many more!