pHionics Inc. products

ORP Sensors

pHionics - Model D-pHi Series - 4-20 mA Differential ORP Sensor

If you want a user-friendly, low-maintenance ORP monitoring system, then this 4-20 mA ORP (redox) sensor is your answer.

pHionics - Model STs Series - ORP Sensor

With over 40 years in the water quality business and customers like IBM, Seimens, and Lawrence-Livermore Berkeley Labs, pHionics has the experience and products you need to succeed.