Pool and Spa Controller – AquaSense


The AquaSense Swimming Pool Controller and Spa Controller measures the pool chlorine levels and the pH of the pool and then controls the chlorine and pH levels.

Charge Analyser – ChargeSense

Pi’s Charge Analyser for the determination of charge demand at the wet end of a paper machine accurately measures colloidal and ionic charge.

Coagulation Controller – CoagSense


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

Conductivity Meter – ConductiSense

The ConductiSense range of online conductivity meters from Pi utilise the very latest and best conductivity sensors available.

Chlorine Dioxide Analyser – DioSense

Online, continuous Chlorine Dioxide Analysers and Controllers make up the DioSense range.

Fluoride Monitor – FluoriSense

Pi’s FluoriSense range of fluoride monitors and fluoride analysers utilise the very latest and best fluoride sensors available in the world today.

Chlorine Analyser – HaloSense

Chlorine analysers from Pi are used in many applications requiring the measurement and control of online residual chlorine levels in water.

Laboratory Charge Analyser – LabSense

Pi’s range of Laboratory Charge Analysers accurately measure colloidal and ionic charge using the streaming current principle (electrokinetic charge), which is comparable to zeta potential.


ORP Monitor – ORPSense

The ORPSense range of ORP Meters from Pi utilise the very latest and best ORP sensors available in the world today.

Dissolved Oxygen Monitor – OxySense

The OxySense DO analyser range of online DO analysers utilises the very latest and best optical sensor available in the world today.

Ozone Analyser – OzoSense

The OzoSense Online Dissolved Ozone Monitor from Pi for the measurement of the ozone concentration in water, is designed to be simple to install and operate.


Particle Counter – ParticleSense

The Particle Counter range from Pi is a world first. The first to allow multiple sensors on a single analyser.

Peracetic Acid Analyser – PeraSense

Hydrogen Peroxide Sensor

The PeraSense peracetic acid sensors, which give a peracetic acid measurement in ppm or mg/l, and a range of flow cells, are available with different peracetic acid controllers

Hydrogen Peroxide Analyser – PeroxiSense

Hydrogen Peroxide Sensor

The PeroxiSense range which utilises the very latest and best hydrogen peroxide sensors available in the world today.


pH Meter – pHSense

The pHSense range of online pH meters from Pi utilise the very latest and best pH sensors available in the world today for measuring the online pH of any aqueous solution.

Suspended Solids Monitor – SoliSense®

Whatever level of suspended solids from 2 NTU all the way up to >8% solids, the SoliSense® is the solution.

Streaming Current Monitor – StreamerSense

Streaming Current Monitors and Streaming Current Detectors from Pi use streaming current measurement to maintain proper electrokinetic charge.


Turbidity Meter – TurbSense®

Online Turbidity Meters from Pi are called TurbSense® and include analysers, controllers and monitors.

UV254 Analyser – UV254Sense

The UV254Sense UVA/UVT monitor provides real time organic UVA (ultra-violet absorbance) and UVT (ultra-violet transmission) analysis.

Automatic Sensor Cleaning System

Pi were approached in 2008 by a customer who was having to change their pH sensor every week at massive cost. In response Pi developed the Autoflush.


Looking for the best solution for you? Fill in the form and we will call you

The latest Pi News

Chlorine Analysers from Pi steal the show at ENEG

Chlorine analysers identical to those already installed on some of their customer’s sites in Lisbon, Portugal, were chosen by Pi’s distributor for Portugal and Spain, Izasa Scientific, as part of

This website uses cookies to ensure you get the best experience on our website. Read our cookies policy here.