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.

Process Instruments Grows Again by 19.4%

november 28th, 2017|0 Comments

Pi's turnover over the past decade Process Instruments (UK) Ltd. Is proud to announce that with the ongoing support [...]

CRONOS® Controller gets an Upgrade

september 19th, 2017|0 Comments

The CRONOS® controller from Process Instruments has just got even better! Not only is it an affordable, flexible analyser and water [...]

Dissolved Oxygen Meters from Pi get new Airflush

september 6th, 2017|0 Comments

Inside layout of Airflush, A - Power supply, B - Air receiver, C – Air pump, D – Valve, E [...]

Contact us on...

Tel: +47 928 18 282

Email: [email protected]

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

Fredrik Andersen

Norway Team Leader

Tel: +47 970 44 275

Email: [email protected]

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

Geir Siqveland Steffensen

Norway Sales Manager

Tel: +44 (0)7908 765113

Email: [email protected]

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

Karen Thirlwell

Head Office Contact

Pi Featured Products

Our most popular analysers and controllers for water and related industries

Turbidity Meter


The TurbSense® range of turbidity analysers determine true online turbidity and/or suspended solids in water, using a nephelometric measurement of scattered light in accordance with ISO 7027.

Suspended Solids Monitor

New SoliSense® 2017

Whatever level of suspended solids from 2 NTU all the way up to >8% solids, the New SoliSense® is the solution and is unique in its ability to measure from low NTU to percent solids in one sensor.

Chlorine Analyser


The HaloSense range is suitable for total or free residual chlorine monitoring or control applications in potable water, seawater, process water, swimming pool water, waste water, food washing, paper and pulp, etc.

Dissolved Oxygen Analyzer


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

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.