Analyzers and Controllers for the Water and Related Industries

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US Tel: 770-449-6233
UK Tel: 01282 422 835

Latest News

  • Fiji International2

Fiji International turns to Process Instruments and Chemical Feed Solutions

When Fiji International, a resort on North Island near Auckland, New Zealand, needed to control the residual chlorine level in their 600,000 liter reservoir, they turned to Chemical Feed Solutions.

Chemical […]

  • EDF AutoFlush

Successful Trial of Pi’s Chlorine/Bromine Analyzers with EDF Energy

EDF Energy has been conducting a year long trial of Pi’s chlorine/bromine HaloSense analyzers for monitoring of their sea water chlorination levels at Heysham Nuclear Power Station.

The application has had […]

  • Online-AKM1-150x150

Turkish Ministry Project Top 60!

Pi and Thermomed are pleased to announce the installation of the 60th waste water monitoring station under the Turkish Ministry of the Environment project requiring all industries with a certain […]

Chlorine analyzer and controller with remote access.Residual Chlorine in Distribution Monitoring, multipoint monitoring in small water treatment plants, for Chlorine, pH and Turbidity.

The HaloSense range of monitors are used in many applications requiring the measurement and control of online residual chlorine levels. The HaloSense analyzers are suitable for chlorine monitoring or control applications in potable water, seawater, process water, swimming pool water, waste water, etc.

A range of residual chlorine analyzers using the HaloSense range means that you get exactly what you need and nothing that you don’t. From a low cost no-frills chlorine dosing controller (CRONOS) to a color touch screen, remote access controller (CRIUS) – and all with the same great sensors! The CRATOS HaloSense Analyzer is now available with up to 12 sensor inputs, reducing the cost per point. Chlorine dosing control is now simpler and cheaper than ever!

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Zero maintenance DO Monitor.Dissolved Oxygen for zero maintenance, pH correction on plant effluent.

AquaSense Pool Controller offering 3 month payback.Swimming Pool Controllers for 3 month payback. For Municipal and Commercial pools.

Municipal swimming Pools and Spas use chlorine as a disinfectant and so use a pool controller to control the amount of chlorine that gets dosed. The AquaSense Swimming Pool Controller and Spa Controller measure the pool chlorine levels and the pH of the pool and then control the chlorine and pH levels by controlling the chemical dosing. The AquaSense advanced pool controllers offer bufferless and reagentless operation and are suitable for commercial, municipal and community swimming pools.

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Total Chlorine Analyzer and Controller for wet end monitoring.


…including pH, residual chlorine, ORP, Ozone, Chlorine Dioxide, Dissolved Oxygen and Turbidity measurements without sacrificing the quality of those measurement.

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Biofilm Monitor for minimizing legionella risk in cooling towers.Chlorine Analyzer for Seawater Chlorination control.


Online Continuous Chlorine Analyzer and Controller for chlorination/bromination control.Online Bromine analyzer, continuous Chlorination/Bromination control for bottle plant pasteurization.