Tethys Instruments SAS
Founded in 2002, Tethys Instruments is a global leader in environmental analysis, providing top-class gas and water analysers from France.
Introduction
Tethys Instruments, established in 2002, is a premier global supplier of on-line analyzers for gases and water, specifically designed for environmental applications. With our headquarters in France, we offer top-notch service and instrumentation through a network of distributors around the world and directly through our own channels.

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PAI provides for more than 15 years its contribution in the form of reliable online analyzers for a large number of parameters.