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Coastal & Estuary
Flow & Discharge
Flood Warning
Groundwater
Meteorology
Surface Water
Nutrient Monitoring
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New: OTT UV Nitrate Sensor

Learn more about reliable and high quality measurements with the OTT ecoN.

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New: Sutron XLink 100 and 500 Logging Transmitter

Learn more about the new Multi-Sensor Input Logger with data transmission via lridium or Cellular.

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OTT customer picture of the month: "Sunrise on 1800m"

New: OTT SVR 100

A non-contact, compact surface water velocity radar sensor designed for measuring flow in open channels and rivers where relibale data is required.

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NEW: Combo package Hydromet Cloud & OTT ecoLog 500

Save costs and time-consuming trips to the measuring site as you have access to your data at any time and wherever you are.

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NEW OTT WAD 200

The new precipitation measuring instrument that combines the advantages of a tipping and a weighing system.

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Discover the NEW Lufft WS100 Precipitation Sensor

Fast, safe & absolutely maintenance-free precipitation measurement, thanks to innovative radar technology!

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NEW! Hydrolab HL7

Continuous Water Quality Data, Reliability and Usability You Can Trust

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OTT PLS-C

Our popular pressure level and temperature sensor, now with an added conductivity cell!

Learn more about the OTT PLS-C

OTT ecoLog Series

In-well groundwater monitoring solutions with remote data transmission

Learn more about the OTT ecoLog 500/800

OTT MF pro

Electromagnetic current meter with color handheld display

Learn more about OTT system solutions

Whitepaper: OTT SVR 100

What are the applications for continuous flow measurement in rivers, streams and canals? How do you get reliable measurement results? And who guarantees the quality of your data, especially in extreme events with high outflows? Download the Whitepaper and learn more about the operation principle and benefits of surface water velocity measurement with the OTT SVR 100.

Download Whitepaper

Download: WQ Selection Guide

Measurement of water quality is decisive for the characterisation of water bodies. OTT Hydromet offers a variety of water quality instrumentation and nutrient sensors for long-term applications. Learn more about our water quality instruments and which one works best for you!

Download Selection Guide

Check out the OTT Hydromet Blog

Stay up-to-date with useful technical notes, application articles, and water monitoring news on the OTT Hydromet Blog!

Go to the OTT Hydromet blog