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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.
New water quality sonde platform: ease of use, meta-data, reliability

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
  • The next generation multiparameter water quality instrument
  • SDI-12, RS-485, RS-232, TTY, USB
Long term water qualitymeasurement

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
  • The next generation multiparameter water quality instrument
  • SDI-12, RS-485, RS-232, TTY, USB
OTT ecoN - Low maintenance UV nitrate sensor

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.

  • Ethernet, Data Logger, RS-485 (Modbus RTU)
  • Smart optical technology, access with web browser, optional anti-fouling wiper, calibration verification, fexible application options
  • No
  • RS485