TETHYS INSTRUMENTS is a leading global provider of gas and water on-line analysers for environmental applications. Headquartered in France, our distributors worldwide and us provide top-class service and instrumentation for environmental monitoring. Our technology based on UV spectroscopy offers unparalleled reliability and very low operating cost. Our new generations of gas and water analysers based on high speed digital signal processors provides unsurpassed performances in terms of response time, repeatability, ease of use, reliability. A special emphasis has been put on the ergonomy and accessibility to ease the installation and minimize the service cost.
Tethys manufactures various measurement technologies for water quality measurements such as UV Spectroscopy, UV Spectroscopy after gas stripping, UV Fluorescence, Colorimetric, Nephelometric, Electrochemical Sensors. Tethys offers unique modular concept wherein multiple measurement technologies can be integrated in one analyser. Thanks to the Tethys R&D team who invented innovative modular concept for online water analysers which allows measurement of various parameters - even if it follows different measurement technology – in one analyser. For example, Tethys can offer in one analyser – measurements like COD (UV Spectroscopy), Ammonia - NH4 (UV Spectroscopy after gas stripping), Oil-in-water (UV Fluorescence), Phosphate (Colorimetric), Turbidity (Nephelometric), pH, DO, TSS (External Sensor attachment).
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Water Analyser Parameters : NH4, COD, BOD, TOC, Oil, NO3, colour, PO4, H2S, CL2, Colour, TSS, Hexavalent Chromium, Silica, Iron, Aluminium, pH, DO, conductivity, turbidity, ORP
Gas Analyser Parameters: NH3, SO2, NO, H2S, NO2, NCL3, CS2, BTX