OTT HydroMet Blog Team

Water Flow and Discharge Measurement with the OTT MF pro

The OTT MF pro water velocity meter is a popular choice for water flow and discharge measurement in rivers, streams, and open channels. Today we'll take an in-depth look at...
Hydrology

Certification of road weather sensors with DIN EN-15518 – a clarification

The European Norm DIN EN 15518-3:2011 is a guideline for stationary sensors for road condition as well as weather information systems and describes the related requirements. This blog post shall...
MeteorologyMeteorology

Real-time Groundwater Monitoring Around Natural Gas Drill Sites in Colorado

The Center for Energy Water Sustainability (CEWS) at Colorado State University, in partnership with Noble Energy, has developed a real-time groundwater monitoring system in the Denver-Julesburg basin of Colorado called...
Hydrology

Lufft ceilometers and the determination of official standards

Within the last few weeks, two big tenders were won by Lufft - one from the “KNMI” (Dutch Royal Weather Service), and the other one from the biggest German Weather...
Meteorology

Minimizing Calibration Uncertainty with Water Quality Sondes

Calibrating a water quality sensor is a necessary step in creating measurement results that meet the highest standards of accuracy. Water quality instruments that allow user calibration are common. Because...
Hydrology

Lufft VENTUS Ultrasonic Wind Sensor Proven for Offshore Operation

Actual events show that the ultrasonic wind sensor VENTUS from Lufft is on the road to success. Our colleague from Lufft USA Ann Pattison summed up all recent success stories...
MeteorologyMeteorology

Using Copper for Anti-Fouling on Water Quality Sondes

Background Copper is widely recognized as an effective inhibitor to biological growth and it has been used successfully in many applications where biological activity impedes the desired result. One example...
Hydrology

How everything started – the Lufft history

In the following article, the history of the measurement and control technology company G. Lufft will be told by Gerhard Stoehr - a "friend of old weather instruments" who is...
MeteorologyMeteorology

OTT netDL Data Logger Video Series

Setting up any new data logger and connecting it to a sensor can be a daunting task for even experienced water measurement professionals, so we've created the OTT netDL Data...
Hydrology

Measuring Conductivity of Water: Temperature Compensation and Derivatives

Electrical conductivity is one of the most common general water quality parameters in surface water and groundwater as it is a popular surrogate measurement for naturally-occurring and anthropogenic contamination of environmental...
Hydrology