Water Analytics Products
PREI Instrumentation supplies water analysis products that help facilities across South Africa measure, monitor, and manage water quality with confidence.
Our range includes sensors, analysers, and supporting instrumentation for measuring pH, oxidation-reduction potential (ORP), dissolved oxygen, conductivity, turbidity, chlorine, fluoride, ammonium, and cyanide. Designed for applications ranging from potable water management to industrial process control and wastewater treatment, our water analysis products support reliable measurement in demanding operating environments.
We serve sectors including mining, manufacturing, power generation, pharmaceuticals, and water management, with solutions suited to different measurement requirements and installation conditions.
Whether you need inline monitoring, submersible sensors, or portable measurement equipment, our team can help you identify suitable water analysis products for your facility, supporting informed operational decisions and effective control over water quality
Showing 1–16 of 44 results
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Ammonium ISE Analyser System
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Chlorine ISE Analyser System
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CW1 Inline pH Sensor
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Endress + Hauser compatible pH & ORP Sensor
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Fluoride Industrial ISE System – for water quality & fluoridation applications
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Foxboro compatible pH & ORP Sensor
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GP1 Conductivity Sensor (Teflon/Kynar)
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GP2 Immersion Conductivity Sensor (SS Fitting)
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HACH compatible pH & ORP Sensor
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High Temperature & Pressure Immersion Conductivity Sensor
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HOT TAP Valve Retractable Conductivity Sensor
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Optical System
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Precision pH/ORP System
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Proximity
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Pure Water Sensor
















