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Water quality

From long term unattended monitoring to spot sampling, Hydrolab multiparameter sondes offer rugged and flexible options for water quality measurement. Choose from compact options for easy spot sampling or groundwater measurement to the larger, more robust Datasondes for more diverse sensor options and anti-fouling options.
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        OTT ecoN

        Low maintenance UV nitrate sensor

        Advancing UV nitrate sensors, the OTT ecoN combines field reliability with a user friendly, low operational cost, future ready platform. It uses optical UV absorption technology for the determination of nitrate concentrations in fresh surface and groundwater.

        • Attended, Unattended
        • Ethernet, Data Logger, RS-485 (Modbus RTU)
        • Smart optical technology, access with web browser, optional anti-fouling wiper, calibration verification, fexible application options
        • No
        • Ethernet (TCP/IP), RS-485 (Modbus RTU), SDI-12 (via converter)

        Hydrolab HL4 Multiparameter Sonde

        New Hydrolab Platform: Reliability, Ease-of-use, Metadata

        The Hydrolab HL4 is the next generation multiparameter water quality sonde from OTT Hydromet. Its reliability, ease-of-use, and metadata produce water quality data you can trust.

        • Attended, Unattended
        • Temperature, Conductivity, Depth, pH, Dissolved Oxygen (LDO), Turbidity, ORP, Clorophyll a, Blue-green algae, Rhodamine, Ammonium, Nitrate, Chloride
        • The next generation multiparameter water quality instrument
        • SDI-12, RS-485, RS-232, TTY, USB

        Hydrolab HL7 - Multiparameter Sonde

        Water Quality Measurement Instrument

        The HYDROLAB HL7 multiparameter sonde offers a versatile, durable and practical solution for long-term continuous and profile monitoring for both simple and complex deployments.

        • Attended, Unattended
        • Temperature, Conductivity, Depth, pH, Dissolved Oxygen (LDO), Turbidity, ORP, Blue-Green Algae, Chlorophyll a, Ammonium, Nitrate, Chloride
        • The next generation multiparameter water quality instrument
        • SDI-12, RS-485, RS-232, TTY, USB

        Hach LDO® Dissolved Oxygen Sensor

        Since 2002, Hach has established itself as the premier provider of luminescent dissolved oxygen (LDO) technology. Only Hydrolab multiparameter sondes feature Hach LDO technology – designed, manufactured, and supported by Hach in Loveland, Colorado. Now in its second generation, the Hach LDO sensor for Hydrolab sondes is better than ever.

        Sea-Bird Scientific HydroCAT-EP

        Long-term Deployment Water Quality Sonde

        The newest member of the HydroCAT family of water quality Sondes can also measure pH, turbidity and chlorophyll.

        • Unattended
        • Temperature, Pressure, Dissolved Oxygen, Conductivity, pH, Turbidity and Chlorophyll
        • Designed specifically for long-term deployments of up to three months
        • SDI-12, RS232

        Sea-Bird Scientific ECOs

        Fluorometers ECO PAR Seabird Scientific

        The Sea-Bird Scientific ECO FL fluorometers with technology by WET Labs measure fluorescence from chlorophyll-a, CDOM, uranine, phycocyanin, and phycoerythrin.