Hydrology

From the first drop of rain to freshwater flowing out to sea, OTT Hydromet has a sensor to measure water at every step in the water cycle. Check out the...

The OTT Radar Level Sensor (RLS) is one of our very popular level sensors and used at thousands of surface water sites around the world! Check out our 2-minute video...

The University of Albany, in partnership with the State of New York, are in the process of constructing the New York State Mesonet, a highly advanced network of weather systems...

pH measurement in natural aquatic environments is commonly done electrochemically by measuring the voltage between a pH-sensitive glass electrode and a reference electrode. Commercial pH meters convert voltage readings into...

Turbidity is one of the most talked about parameters in environmental water quality monitoring, yet the details around turbidity measurement are not always known or fully understood. Use our guide...

While the OTT RLS is excellent for non-contact measurement of rivers, lakes, and reservoirs, it's also very well suited to measure tide water level in bays and estuaries. In an interesting application...

At OTT Hydromet, we know a "normal day in the office" for our customers can involve some pretty amazing adventures! It's no exception for an OTT Pluvio² customer performing routine maintenance...

Phytoplankton measurement is key for understanding the health of an aquatic ecosystem in both freshwater and saltwater environments. Measuring phytoplankton can provide valuable insights regarding the biological status of any...

Identifying the best level logger for your groundwater monitoring application can be a complex task with many different technologies available that are best suited for a variety of different measurement goals. The...

We are very pleased to announce that Sutron Corporation will be joining OTT Hydromet and Hach Environmental in 2015! The addition of Sutron to the group is expected to provide...

ORP (Oxidation Reduction Potential) is a popular water quality parameter that is normally measured as the voltage between a platinum measuring electrode and a reference electrode. Though ORP is classically...