November 14,
2022 488 488 
Fill level measurement
“These days, monitoring the fill level is a key factor for many applications and industries and even for our basic requirements.”
July 26,
2022 945 945
Ideal for water level or fill level monitoring and general pressure measurement
July 11,
2022 401 401
Explosions can be violent and tend to leave behind a great deal of damage. With this in mind, the ultimate aim when building electronic devices for use in potentially explosive environments is to completely prevent explosions. KELLER has been producing products for use in explosive environments since 1988. These certified products ensure safe operation in the most diverse range of use cases.
July 4,
2022 425 425
An important area in which sensors facilitate smart monitoring is in power measurement, where pressure sensors are employed to measure and record load distribution on bridges.
June 14,
2022 652 652
Coffee is one of the world’s most consumed drinks, which is why it is no surprise that so many coffee machines can be found where people live and work. Coffee from bean-to-cup machines is enjoyed most often.
April 25,
2022 538 538
There are few industries as diverse as the water and environmental industry. KELLER has sensorscan, found in many varied applications. For instance, Keller senscorscans are used to measure the sea depth, monitor the water pressure at the bottom of dams, calculate flow quantities and regulate water levels.
February 11,
2022 441 441
Keller’s electronic ECO 2 manometer – an instrument that can perform all standard measuring jobs at an exceptionally low price.
November 24,
2021 406 406
Keller’s digital pressure gauge for refrigeration systems.
October 25,
2021 557 557
In the Dutch province of Limburg, the Grensmaas Consortium extracts about one hundred thousand tonnes of gravel every week. A quantity that requires an enormous logistical operation. Stopping the process is not an option. And certainly not unannounced. With one single sensor, Hans van der Meer can monitor that risk.
September 30,
2021 409 409
IoT - The Internet of Things starts with a sensor