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Water Quality Monitors and Sensors


Fixed Site Water Quality Monitors


Hach SC200 Universal Controller

The most versatile controller on the market. This controller is compatible with the largest range of sensors.


Hach SC1000 MCERTS Multiparameter Universal Controller

A modular system consisting of a display module and at least one probe module connected via a digital network.

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Hach Digital Differential pH Sensors

The Hach digital differential pH sensors work with Hach’s Digital sc Controllers to provide highly accurate results.


Hach Phosphax sc Phosphate Analyser

Designed to measure levels of orthophosphate and to be installed at the measurement point.


Hach Nitratax sc Nitrate Sensors

Designed to detect nitrate by continuously measuring the UV light absorbed by nitrates. Eliminates the need for reagents, sample conditioning and frequent calibrations.


Hach Amtax sc Ammonium Analyser

Designed to measure levels of ammonia at any point during the wastewater treatment process.


Hach Solitax sc Sensors

Designed to detect turbidity and suspended solids content, this range of sensors are suitable for drinking water, surface water and sludge treatment applications.


ATI Q45N Dissolved Ammonia Monitor

A dissolved ammonia monitor that uses reaction chemistry for accurate, long-term results.


ATI Q45D-ODO AutoClean Optical Dissolved Oxygen

A self-cleaning, dissolved oxygen monitor designed for industrial monitoring applications.


ATI Q45C4 4 Electrode Conductivity Monitor

An accurate, reliable conductivity monitor designed for monitoring a wide range of aqueous environments.


ATI Q45/R pH/ORP Monitor

A pH/ORP monitor designed for wastewater monitoring applications.


ATI Q45/ORP AutoClean pH/ORP Monitor

A pH/ORP monitor with a self-cleaning function - designed for wastewater monitoring applications.

Portable Water Quality Monitors

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AquaTROLL 600 Multiparameter Water Quality Sonde

Customisable, powerful and easy-to-use multiparameter sonde. This sonde uses industry-leading water quality technology.

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Aqua TROLL 500 Multiparameter Sonde

A cost-effective, rugged and customisable multiparameter sonde that can be used for a wide range of applications.

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In-Situ Aqua TROLL 400 Multiparameter Water Quality Sonde

A compact water quality sonde. capable of measuring up to 12 parameters simultaneously.

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In-Situ Aqua TROLL 100 Conductivity and Temperature Logger

Rugged compact design and titanium construction - ideal for harsh water quality monitoring deployments.

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In-Situ Aqua TROLL 200 Level, Pressure, Conductivity and Temperature Logger

Rugged, compact design and titanium construction - ideal for harsh water quality and level monitoring environments.


In-Situ RDO PRO-X Dissolved Oxygen Probe

This probe uses optical technology to accurately measure dissolved oxygen and temperature in demanding process environments.


In-Situ SmarTROLL RDO Handheld

This handheld system is ideal for water quality testing spot checks.


In-Situ SmarTROLL Battery Pack for iOS

This battery pack for iOS provides 80 hours of continuous field use.


In-situ SmarTROLL Power Pack for Android

This power pack for Android devices provides 50 hours of continuous field use.

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