Multiparameter Sondes Hydrolab water quality instruments provide the best long-term value: Superior sensor technology gives you the highest quality data Easy to use and maintain Unsurpassed reliability Guaranteed after-sale support more

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Water Quality Sensors At the heart of Hydrolab’s water quality sondes is our superior sensor technology. Hydrolab offers the most complete selection of sensors available on any multi-parameter sonde. more

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Satellite Water Quality Monitoring Hach Hydromet has partnered with Blue Water Satellite, Inc. to provide the latest innovations in satellite imaging to water quality monitoring programs. more

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Surface Water Level Sensors Different measurement technologies have different advantages, so we offer a wide variety of surface water level monitoring instruments for a wide variety of applications. more

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Surface Water Flow Meters All OTT surface water velocity/discharge instruments provide innovation and value. From integrated datalogging and displays to compactness and ease-of-use, you won’t find more innovative, cost-effective products in the industry. more

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Groundwater Level Sensors Different measurement technologies have different advantages, so we offer a wide variety of groundwater level monitoring instruments for a wide variety of applications. more

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Meteorological Sensors OTT offers the premier technology for unattended meteorological sensors allowing users access to meteorological data with unmatched accuracy. more

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Handheld Communications Hach Hydromet’s superior sensor technology is complemented by handheld communications devices that allow convenient and intuitive access to your data – even in the harshest of field environments. more

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Remote Data Acquisition The OTT ITC (Intelligent Top Cap) is a high performance, yet compact and economical, means of remote communications via GSM/SMS for the OTT Orpheus Mini or Thalimedes instruments. more

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Software We know that instruments are a means to an end, and that ‘end’ is your data. more

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General Product Safety General safety information on Hydrolab and OTT products more

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