FEATURE COVER STORY
UNIVERSAL TRANSMITTER improves wastewater facility efficiency
The addition of PR electronics’ PR 4116 universal transmitter at a wastewater facility has provided additional capacity for sludge and has improved the efficiency of the plant
W
hen renovating one of its wastewater facilities, Kasselwasser
wanted a flexible and durable transmitter for the installation. The PR 4116 universal transmitter was specified for the application - and proved itself so well in action that it is now the site standard. Kasselwasser, Germany, delivers water and wastewater services to the city of Kassel and parts of the surrounding city areas. The facility designs, constructs and operates the drinking water supply and sanitation, including wastewater treatment and structural maintenance and operation of equipment. When renovating one of its wastewater facilities it was decided to replace two
old digesters with a new one with a capacity of 7,500m³. At the same time, the electrical, instrumentation and control technologies were renewed. The two smaller digestion tanks had
reached their capacity limit and needed to be replaced. For the installation, Kasselwasser specified PR 4116 universal transmitters to measure status input from the valves and to power pressure and flow transmitters in the tank. The 4116 transmitter’s durability and ability to offer active/passive input were important for this application. The 4116 quickly proved itself in action and subsequently became the site standard.
OPERATIONAL PARAMETERS TO SUIT ALL APPLICATIONS According to Martin Müller at Kasselwasser, there are several advantages of choosing the 4116 as the permanent site standard: “It makes a lot of sense to have it as standard. The transmitters are easy to install and operate using the 4501 programming front – everyone in our team is familiar with it and knows how to operate it.” Müller continues: “And, equally
important, the operational parameters can be modified to suit all our applications. This means that we need fewer units to cover many applications. And we can save on the number of modules necessary to run and maintain our processes”.
10 FEBRUARY 2017 | INSTRUMENTATION
HIGH SYSTEM AVAILABILITY IS IMPORTANT In addition to flexibility, the 4116 has also impressed the maintenance team on performance. Müller adds: “In our experience the 4116 is a very stable device – and as our primary goals is high system availability, it also fulfills our quality expectations.” The new installation has provided
additional capacity for the sludge and improved the efficiency of the plant.
PR electronics
www.prelectronics.com T: 01243 776 450
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