Charge Demand

Water Treatment Controllers

Used to determine optimal coagulant dose on a water treatment plant, Pi’s range of Laboratory Charge Analyzers accurately measure colloidal and ionic charge.

Charge Demand (Paper)

Water Treatment Controllers

Pi’s Charge Analyzer for the determination of charge demand at the wet end of a paper machine accurately.


Water Treatment Controllers

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

Chlorine Dioxide

Water Treatment Controllers

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

Coagulation Control

Water Treatment Controllers

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.


Water Treatment Controllers

The ConductiSense range of online conductivity meters from Pi utilize the very latest and best conductivity sensors available in the world today.

Dissolved Oxygen

Water Treatment Controllers

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


Water Treatment Controllers

Pi’s FluoriSense range of fluoride monitors and fluoride analyzers utilize the very latest and best fluoride sensors available.


Water Treatment Controllers

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


Water Treatment Controllers

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, and offers unrivalled stability.

Particle Counts

Water Treatment Controllers

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

Peracetic Acid

Waste Water Analysers

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


Water Treatment Controllers

The pHSense range of online pH meters from Pi utilize the very latest and best pH sensors available in the world today.

Pool and Spa Control

Water Treatment Controllers

Swimming pools and spas use chlorine as a disinfectant and so use an analyzer to control the amount of chlorine that gets dosed.

Streaming Current

Water Treatment Controllers

The Streaming Current Monitor can be used as an effective feedback coagulation control tool allowing the operator to optimize the coagulation dose, effectively building a coagulation analyzer.

Suspended Solids

Water Treatment Controllers

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


Water Treatment Controllers

Online Turbidity Meters from Pi are called TurbSense® and include analyzers, controllers and monitors which determine true online turbidity and/or suspended solids in water.


Water Treatment Controllers

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

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