Cases & enclosures
outside too, so weather protection was important. “We also needed a transparent cover, so that water company maintenance engineers could immediately see equipment faults and alarms without opening the enclosure. I did a lot of research into possible suppliers, and the dimensions as well as the available customisations of the Spelsberg enclosure fitted perfectly with my design.”
Engineers initially selected a 400 mm x 300 mm GEOS enclosure, with the internals modified to house the equipment. Featuring durable glass reinforced plastic (GRP) construction, a transparent lid, a mounting plate and an IP66 ingress protection rating – the GEOS proved to be ideal for most of the telemetry sites. However,
the variance in assets would present the contractor with an additional challenge.
SOMETIMES IT TAKES TWO “Some of the installations have so little space available, that occasionally we can’t use the GEOS,” the engineer explained. “To overcome this, I proposed a split design, with two separate enclosures linked by a cable. This allowed us to fit everything within tighter spaces.” Again, Spelsberg had a solution. Two 250 mm x 180 mm TK PS enclosures enable the equipment to be split between them, improving space efficiency. The versatility of the Spelsberg range, as well as the business’ highly flexible
customisation service, has allowed every enclosure design requirement to be met.
CUSTOM SOLUTIONS IN QUANTITY However, like any large-scale project, the framework contractor required a high quantity of the enclosures backed by reliable delivery. This was something else that Spelsberg could provide. “So far, we have used well over 2,000 enclosures during this project and will require many more in the future. Delivery has been good throughout, and we’ve never had delays due to a shortage,” the engineer said.
The high manufacturing capacity offered by Spelsberg has ensured that despite the increased complexity of the designs, the two enclosure models can be mass produced to meet customer demand.
TICKING THE BOXES FOR WATER UTILITIES The water company is planning to upgrade all its telemetry assets to digital communications, with Spelsberg enclosures helping its framework contractor to deliver this large, ongoing project. Once complete, the upgrade will greatly simplify network maintenance, reduce downtime and improve the resilience of the telemetry network – all contributing to highly reliable, modernised water infrastructure.
Spelsberg
www.spelsberg.co.uk Instrumentation Monthly February 2025 33
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