Water

Correlation in our daily work

17. October 2019

Correlation in our daily work

If there is a leak outside the measuring section, the noise must always pass through the entire measuring section. It does not matter how far outside of the measuring section the leak is. If the sound velocity V is entered correctly, the result will always be L = 0.

Reading time: 4 min

Author: Bernd Esders

Introduction – Why we write a blog

14. August 2019

Introduction – Why we write a blog

Dear colleagues and interested parties in the field of measurement technology in gas and water supply! Why do we write a blog? We are asked the same questions in conversations time and again. Quite often we are asked for our opinion on current topics, such as new and amended regulations. We think...

Reading time: 2 min

Author: Bernd Esders

The Principle of Correlation

05. August 2019

The Principle of Correlation

What does correlation mean and how do you find a water leak by using correlation? In water leak detection, correlation describes the measurement of time difference of sound waves via microphones. Leaking water or compressed air from a defective pipe generates a noise. The sound waves generated in...

Reading time: 3 min

Author: Lea Schwenen