Latest News from Pi

Keep up to date with the latest news from Process Instruments – your specialist supplier of analysers and controllers for the water and related industries.

Pi holds Distributor Training at their offices

October 11th, 2016|0 Comments

Pi's distributors and sales team during the training sessions. Last month, Pi held a 3 day training session for [...]

Why did the Rio Olympics pool go green?

August 12th, 2016|0 Comments

Rio Olympics Green Pool (Image:Agência Brasil Fotografias [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons) By now many of you will [...]

Shanghai Lim M & E Co. Ltd take Pi’s new controllers to Aquatech China

August 9th, 2016|0 Comments

Jason Gaojiang Long from Shanghai Lim M & E Co. with Pi's new controllers at Aquatech China Pi's Shanghai [...]

Contact us on...

Tel: +44 (0)7966 931 928

Email: [email protected]

"Get in touch, I'd be
happy to help."

Alan Burns

Head Office Contact

Tel: +44 (0)7854 133327

Email: [email protected]

"Give me a ring, I'd love
to hear from you."

Rob Paramore

North/West England, Wales, N. Ireland

Tel: +44 (0)7779 993848

Email: [email protected]

"Give me a ring, I'd love
to hear from you."

Bill Sykes

Scotland, Isle of Man

Pi Featured Products

Our most popular analysers and controllers for water and related industries

Pool Controller


The AquaSense Pool Controller and Spa Controller measure the pool chlorine level, pH of the pool and control the levels by controlling chemical dosing.

Fluoride Monitor


Pi’s FluoriSense range of fluoride monitors and fluoride analysers utilise the very latest and best fluoride sensors available in the world today for measuring the online fluoride content of any potable water.

Charge Analyser


Pi’s range of Charge Analysers for the determination of charge demand at the wet end of a paper machine accurately measure colloidal and ionic charge using the streaming current principle.

Dissolved Oxygen Analyser


The OxySense range of online DO meters utilise the very latest and best optical DO sensor available in the world today.

Coagulation Controller


Pi’s CoagSense coagulation controller is an integrated controller that accepts multiple inputs from appropriate parameters including pH, flow, temperature, UV254, turbidity and streaming current.