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Home Process Analytics Thornton Water Analytics
Home Process Analytics Thornton Water Analytics

Thornton Water Analytics

Analyzers and Sensors for Pure & Ultrapure Waters

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Thornton is the global leader in critical ultrapure and pure water analytics in applications where accuracy and reliability are essential. Thornton offers innovative analytical instruments and sensors for the measurement of resistivity, conductivity, total organic carbon (TOC), bioburden, dissolved oxygen (DO), sodium, silica, ozone, chloride, sulfate and phosphate. Thornton instrumentation is trusted globally in the pharmaceutical, biotech, power generation and microelectronics sectors.
Pure Water Conductivity Sensors & Panels

Pure Water Conductivity Sensor

These sensors are specifically tailored to pure water monitoring in low conductivity water in the pharmaceutical, power and microelectronics industries.
On-line TOC Analyzer

On-Line TOC Analyzer

Total organic carbon analyzers provide real-time monitoring of TOC, allowing immediate reaction when an excursion is detected.
Microbial Detection Analyzer 7000RMS

Online Water Bioburden Analyzer 7000RMS

These analyzers provide real-time monitoring of microbial contamination in pharmaceutical waters to help ensure process control.
Sodium, Silica and Chloride/Sulfate Analyzers

On-Line Water Chemistry Analyzers

Efficient and reliable monitoring of trace contamination in pure water treatment and power cycle chemistry applications.
Dissolved Ozone Sensor | pureO3

Dissolved Ozone Sensor | pureO3

Dissolved ozone sensors utilize rapid measurement to monitor ozone in pure water systems during and after sanitization.
pH Probe for Pure and Ultrapure Waters

Pure and Ultrapure Water pH Probes

Pure water pH probes are in-line pH sensors for achieving optimal accuracy and resolution in pure and ultrapure waters. This type of pH sensor includes the pHure Sensor LE, a refillable pure water pH probe with a free-flowing junction for accurate pH and ORP measurement in low-conductivity waters, and the pHure Sensor with a special gel electrolyte that helps give reliable pure water pH measurements with low maintenance requirements.
Pure Water Transmitters

Pure Water Transmitters

Pure water transmitters are analytical transmitters designed for monitoring critical water purity parameters, such as conductivity, total organic carbon, ozone, pH and dissolved oxygen in purified waters or steam cycles. METTLER TOLEDO water transmitters offer an easy-to-use interface, provide calculated measurements and visualization of sensor diagnostics to reduce maintenance efforts. Multi-parameter water transmitters are available to monitor up to 8 measurements at one time.

Useful Related Links

Thornton Water Analytics

Pure Water Guide

This Pure Water Guide focuses on giving a clear overview of industry standards and regulations for water purification in the pharmaceutical, power and microelectronics industry. Read more

Thornton Water Analytics

Pharmaceutical Water Compliance for Global Pharmacopeia Requirements

Complementary guide to pharmacopeia requirements for Pure and Ultrapure Waters used in pharmaceutical production. Read more

Thornton Water Analytics

Ultrapure Water & Process Analytics for the Semiconductor Industry

Over the years, Thornton defined resistivity limits and became the resistivity measurement standard in the semiconductor industry. Read more

Thornton Water Analytics

Optimizing Your Power Plant Chemistry

The new edition of our Power Industry brochure addresses all areas of power plants where precise water analytics are needed. Get an overview of METTLER TOLEDO Thornton sensors and analyzers to keep power plant water running efficiently. Read more

Thornton Water Analytics

Choosing Sensors and Transmitters for Water Purification Process Control

This guide explains the considerations for selecting a transmitter for your projects. It examines monitoring requirements in different industries and presents METTLER TOLEDO transmitters for water projects. Read more

Thornton Water Analytics

Process Analytics Product Catalog

The Process Analytics Catalog provides a comprehensive overview of solutions for analytical measurements in liquid process applications, pure water monitoring and gas-phase measurement. Parameters covered include pH, dissolved oxygen, dissolved CO2, conductivity, turbidity, and total organic carbon. Read more

Benefit From Remote Support and Ensure Top Performance

Benefit From Remote Support and Ensure Top Performance

Benefit From Remote Support and Ensure Top Performance

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Explore our Services - Tailored to Fit your Equipment

We support and service your measurement equipment through its entire life-cycle, from installation to preventive maintenance and calibration to equipment repair.

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Performance. Maintenance & Optimization

Compliance. Calibration & Quality

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What is METTLER TOLEDO Thornton?

METTLER TOLEDO Thornton is the leader in pure and ultrapure industrial water analytics and water analyzers used in pharmaceutical, biotech, semiconductor, microelectronics and power generation applications.

Its core competence is the on-line measurement of conductivity, resistivity, TOC, dissolved oxygen and ozone in determining and controlling water purity.

What is Thornton's background?

Thornton was founded in 1964 by Dr. Richard Thornton, a professor at the Massachusetts Institute of Technology. Thornton is widely considered as the leader in the production of high-quality resistivity/conductivity sensors. For decades, Thornton has been engaged with key international organizations such as USP, EP, JP, FDA, SEMI & PV and ASTM, and has strong relationships with water system fabricators. Thornton was acquired by METTLER TOLEDO in 2001 and is part of the Process Analytics division.

What are some of Thornton's innovations?

Thornton has over 50 years of innovating in pure water monitoring, and continues to innovate unique systems for pure and ultrapure water analytics. One such example is a package of analyzers designed for power plant cycle chemistry that includes a sodium ion analyzer and silica analyzer, plus a chloride and sulfate ion analyzer that uses microfluidic capillary electrophoresis technology. METTLER TOLEDO Thornton also launched the first-of-its-kind microbial detection system. This at-line process analyzer is designed to complement and replace cell-culture testing as a method to identify microbial contamination in pharmaceutical waters.

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