Register Now

By clicking the submit button above and proceeding I confirm that I have reviewed and agree with the Terms of Use and the OTT HydroMet Privacy Policy. I agree to give OTT HydroMet permission to provide me with information about their products and services, and related products and services from OTT HydroMet’s affiliates.

Register now for exclusive HYDROLAB updates

NEW! HYDROLAB® HL7 Multiparameter Water Quality Sonde

Maximize deployment life, minimize maintenance providing traceable data you can trust

View HL7 VideoDownload HL Brochure

HYDROLAB water quality instruments and software help environmental scientists and managers monitor the increasingly important changes in our water resources by providing continuous water quality data, reliability, and usability you can trust.

The new HL7 multiparameter sonde maximizes deployment life, minimizes maintenance, and provides unmatched ease of use producing comprehensive and valuable data sets supported by metadata.

HYDROLAB sondes include intuitive software for unmatched usability, exceptional power performance and proven sensor options, all delivering high data quality and reliability.

NEW! HYDROLAB HL7

Designed for long-term continuous monitoring, reliability, and usability

  • Up to nine sensor options, including central cleaning brush for prolong deployments
  • External or battery powered with typical battery life of more than 90 days


HYDROLAB HL4

Lightweight, portable and flexible, perfectly suited for spot monitoring and short term studies

  • Up to six sensor options, including temperature
  • Compact size easy to carry and fit inside 2” wells / pipes
Learn MoreLearn More

Simple and intuitive guided software

This powerful software tool helps to make better decisions, minimize errors, and increases efficiency in the lab and on the deployment site.

  • Quickly view the current status of the instrument and ensure its working properly
  • Maximize uptime with streamlined calibration tasks
  • Plot current and historic data with multiple graphics and table formats options

HL Sensors

Proven sensor technology

Sensor options: Temperature, Conductivity, pH/ORP, Hach LDO (Luminescent dissolved oxygen), Turbidity, Depth, Chlorophyll a, Blue green algae, Rhodamine, Ammonium (Ion Selective Electrode)* ,  Nitrate (Ion Selective Electrode)* ,  Chloride (Ion Selective Electrode)* , Total Dissolved Gas*

* Coming Soon

HL7 Video

HL4 Video

HL Series Brochure

Water Quality Monitoring Instruments for:

  • Lake and Reservoir profiling
  • River and Stream surveys
  • Coastal monitoring
  • Groundwater studies
  • Wetland management
  • Harbor and Port investigations
  • Aquaculture protection
  • Dredging management
  • Effluent discharge regulation
  • Agricultural run-off
  • Ecosystem assessment programs

OTT Hydromet | 5600 Lindbergh Dr. Loveland, CO 80539 |1-800-949-3766 | sales@otthydromet.com
Privacy Policy
© 2017 OTT Hydromet. All rights reserved.

Fix the following errors:
Hide