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Custom enclosures from Spelsberg UK to protect control systems in an environment such as industrial and academic research for pharmaceutical development

Polycarbonate enclosures for fume cupboard controls

The laboratory is a crucial setting as a controlled environment across industrial and academic research for pharmaceutical development. To ensure the quality of production samples, as well as to protect the safety of personnel operating within these environments, fume cupboards are essential. 

Durable enclosures are important to protect the control system’s electronics, and Spelsberg UK has been supplying a major manufacturer of airflow monitors and controls with customised enclosures to protect the control systems.

Laboratory development and testing processes involve a range of potentially noxious chemicals and substances, and without a fume cupboard, the atmosphere within the lab can reach high concentrations of fumes, vapours, or dust. Temperature Electronics’ systems regulate the air quality of lab and industry-scale production processes to ensure safety and production efficacy, and they are operating in thousands of laboratories across the world.

Supplying fume cupboard OEMs and laboratory companies around the world, Temperature Electronics Ltd (TEL), headquartered in Glossop, Derbyshire, designs and manufactures airflow monitoring and control systems. TEL’s technology is based on a proprietary airflow sensor that measures face or duct velocities.

Custom enclosures from Spelsberg UK to protect control systems in an environment such as industrial and academic research for pharmaceutical development

The sensor’s key advantage is that its operation has no inherent drift, meaning that it provides stable, accurate readings across long-term operation, without the need for recalibration. This optimises safety and environmental conditions within a lab, while in conjunction with the controller, minimises energy use – benefits that are also important to large scale industrial plants, where TEL’s control equipment is also installed.

Protecting the PCB

TEL applies its technology across a range of solutions, including laboratory room space controllers, that could host up to 64 fume cupboards, through to individual controllers for air ducts and sashes. The wide range of applications for airflow monitoring and control means that the company’s services could be required for complete bespoke installations, through to retrofit of individual controllers.

Crucial to each controller is the PCB, hosting the intelligence that achieves automated management to maintain the required environmental conditions. To protect the PCB and its power terminals, TEL’s design includes industrial enclosures by Spelsberg.

“Although many of the controllers are installed in laboratories, they can also be used in industrial settings. Wherever they’re installed, the enclosures must provide protection against impact, as well as moisture and dust ingress,” explains TEL’s Anthony Boyd.

Spelsberg TK and TG enclosures, constructed from highly durable polycarbonate, that provide lasting protection to the electronics housed within

Durable polycarbonate

Another key benefit of polycarbonate construction is the ability to rapidly customise the enclosures. Spelsberg’s housings are used across 14 different TEL products, each of which has distinct PCB connection requirements. This not only requires flexibility over specific terminal connections for each controller design, but its corresponding enclosure also needs to allow specific cable routing. As well as a mains power cable, the PCB requires various communications and I/O cables that need entry/exit points designed into the enclosure.

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