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Coastal & Estuary
Flow & Discharge
Flood Warning
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OTT CAST: Let's Talk About The Weather

No Trade Shows? Welcome to our new podcast series instead! Register to get free access to three 20-minutes episodes.

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OTT SVR 100

A non-contact, compact surface water velocity radar sensor designed for measuring flow in open channels and rivers where reliable data is required, now with native SDI-12.

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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

NEW: OTT ecoLog 1000 Water Level Logger

Introducing the new self-contained, cellular groundwater level logger for measuring water level and temperature.

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OTT Pluvio² S

The new benchmark in precipitation measurement - the new weighing precipitation gauge OTT Pluvio² S

learn more about the OTT Pluvio² S

OTT MF pro

Electromagnetic current meter with color handheld display

Learn about the OTT MF pro

New OTT SVR 100 Whitepaper

Our latest whitepaper takes a technical deep dive to showcase the technology that the OTT SVR 100 uses to collect measurements as well as verify their accuracy using QA/QC methods. Learn more about:

Download Whitepaper now!

Discover our project overview

You are looking for OTT HydroMet references to inform yourself about implemented projects? You find them on the project overview!

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Check out the OTT HydroMet Blog

Would you like to keep up to date with our TechTips (technical information on current topics), customer success stories and general industry news? Then subscribe to the OTT HydroMet Blog notifications:

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