Getting Started with the STs Series

Getting Started with the STs Series Thank you for purchasing a pHionics STs Series instrument.  We look forward to providing you with many years of reliable service!  All the resources you need to start measuring water quality quickly are collected on this page. Watch...

Water Quality Learning Center

Water Quality Learning Center Search for: How To Eliminate Electromagnetic Interference From Analog Systems Electromagnetic interference of water quality measurement can have an enormous impact on your results.  Learn what it is and how to prevent it so you can save...

About pHionics

About pHionics pHionics (pronounced fi-awn’-iks or faɪ’ɑnɪks ) was founded in 1982 as a water treatment system design and service company by an engineer that had spent the 10 prior years working in the R&D department of a large company developing water...

Return Policy

Return Policy Material returned for repair, whether in or out of warranty (please read warranty section regarding types of material which cannot be accepted back for environmental and/or safety reasons), should be shipped, prepaid, to: pHionics Inc. 6680 Alhambra...

Warranty

Warranty Information pHionics Inc. warrants its instruments to be free from defect in material and workmanship under normal use for a period of twenty-four months from date of purchase by the initial owner (the warranty excludes the electrode for all products except...

Products

The pHionics D-phi Series™ Reliable 4-20 mA differential sensors with built-in threads for inline or standpipe mounting. Recommended for recirculating aquaculture systems, process control, hydroponics, and wastewater applications. View Product pH View Product ORP...