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Innovative virus-free air circulation module from Schulz-Berger works with DLTI-U.500 differential pressure sensors from Variohm

Using expertise gained as a leading designer and manufacturer of industrial air-extraction, filtration and ventilation systems, the German company Schulz-Berger recently launched its innovative SBC 1200 air circulation module to combat the problem of virus and bacteria-contaminated indoor air in public spaces where people may congregate.

Developed specifically for virus filtering, including CORONA variants - and tested for effectiveness by several scientific studies - the ceiling-mounted air curtain protection system relies on Variohm EuroSensor’s DLTI-U.500 differential pressure sensor as part of the laminar airflow control system that smoothly circulates air through a HEPA H14 filter system. Applications for the SBC 1200 include but are not restricted to supermarkets, restaurants, schools and waiting areas.

With the pandemic posing great challenges for all, the concept of the SBV1200 is convincing. Schulz-Berger has created a highly effective way of reducing the airborne germ load to an absolute minimum in indoor spaces where constant ventilation is not possible. During operation, the ambient air is drawn in from all sides in the ceiling area and cleaned of coarse dust and fibres via a large pre-filter. The main HEPA 14 filtration system, which is also used in operating theatre technology, has a filter class to EN 1822-1: 2009, and with the SBV1200’s airflow volume of 3,000 m3/h, can remove 99.995 % of the viruses, germs and bacteria. The easily replaceable and constantly monitored filter covers an area of 70-75 m2, where aerosols are captured and eliminated through drying, minimising their dwell time in the room. The quiet laminarizer based air curtain effectively generates a barrier veil via an additional fan, shielding those under the module and proven to prevent droplet infection.

Variohm sensor

Variohm’s DLTI-U.500 series differential pressure sensors are used extensively for the continuous measurement of pressure differences in air, non-aggressive and non-flammable gases. For the SBV 1200, the sensor and control system monitor the filter saturation through pressure changes and thus the pressure is increased or decreased to balance the system.

Variohm’s DLTI series pressure sensors are based on a housed design with 3 mm diameter tubing and suitable for direct PCB mounting to simplify OEM integration. Variohm’s DPTL series have an identical specification but in a directly mounted PCB format without housing. Their piezoresistive measuring element provides an accuracy of +/- 2.5% FS over a temperature range of 0° C to + 40° C. They are designed to monitor all types of filtration applications, as well as fans, industrial cooling air systems, ventilation duct flows, or to control air and fire dampers. With 0…10 V or 4…20 mA output and available in several pressure range variants spanning 250 Pa (2.5 mbar) to 5000 Pa (50 mbar), they have generous maximum and burst pressure ratings, and a working temperature range of - 10° C to + 50° C.

Based in Altenburg-Germany, Schultz-Berger is an environmental control systems designer and manufacturer of air-extraction, filtration and ventilation plant used in large-scale processing of waste, paper, metalworking, timber and similar industries. Full details for the SBV 1200 are available on the Schulz-Berger website.

Variohm EuroSensor is a UK and European based manufacturer, distributor and supply chain partner providing sales and application support throughout an extensive range of position, force, pressure, load, and temperature sensor technologies - for cost effective solutions to demanding measurement applications across industry, construction, agriculture, motorsports, research and more.


About Variohm EuroSensor
Variohm EuroSensor is a manufacturer, distributor and supply chain partner providing complete sales and application support across a comprehensive range of position, force, pressure, load, and temperature sensor technologies - for demanding measurement applications across industry, construction, agriculture, motorsports, research and more.


About Variohm Holdings
Comprising four closely linked operating divisions, staffed by highly experienced motion and sensor application specialists with extensive knowledge of international standards; Variohm Holdings combines its considerable design and manufacturing capability with best of brand products and components from leading global partners to provide engineered solutions that are seamlessly and cost effectively integrated for your application.

For more information, please contact:-

Variohm-EuroSensor
Williams' Barn, Tiffield Road, Towcester Northants NN12 6HP United Kingdom
Tel: +44(0) 1327 351004
Fax: +44(0) 1327 353564
Email:
sales@variohm.com
Web:
www.variohm.com

May 2021

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