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NEW: OTT ecoLog 1000 with Conductivity

The OTT ecoLog 1000 all-in-one water level logger and telemetry solution is now available with conductivity measuring capabilities.

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NEW: OTT PLS 500

Introducing the next generation in reliable water level and temperature monitoring with smart sensor capabilities.

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On-Demand Webinar: Demystifying Cybersecurity for the Water Sector

Proactively address risks in water through better understanding

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NEW: AQUARIUS

Water monitoring agencies worldwide trust AQUARIUS to acquire, process, model, and publish water information in near real-time.

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OTT UV Nitrate Sensor

The OTT ecoN can transmit data via SDI-12 interface due to the new OTT ecoN Modbus to SDI-12 Converter.

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OTT CAST: Let's Talk About The Weather

This podcast tells the manifold stories of experts working in environmental monitoring with help of our sensors and solutions.

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NEW: ISE sensors for the HL Series

The Ion Selective Electrode sensors for Ammonium, Nitrate or Chloride are used for attended monitoring and qualitative monitoring programs

Discover the ISE's now

OTT HydroMet celebrates 150 years of OTT

In 1873, OTT was founded by inventor Albert Ott in Kempten, Germany. Join us at our site on the beautiful River Iller for a special video message

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Gain Insight Into Your Water Quality

The trusted, all-in-one water level logger and telemetry solution is now available with conductivity measuring capabilities. Discover how the OTT ecoLog 1000 is simplifying groundwater and surface water monitoring.

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Podcast: Mesoscale Monitoring

In Episode 20 of OTT Cast, we welcome Daryl Ritchison with the North Dakota Agricultural Weather Network (NDAWN) National Mesonet Program. Daryl shares expertise on mesoscale monitoring, the development of the Mesonet Program, and more.

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