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Approvals and certificates DEHN test laboratory
Electrical devices can become a potential ignition We carry out laboratory tests to verify the lightning
source in potentially explosive atmospheres. There- current carrying capability of system components or
fore, devices and equipment for use in these atmos- plant parts and the coordination of DEHN products
pheres must fulfil different requirements depending with downstream equipment. Tests in the DEHN
on the frequency and duration of a dangerous impulse current laboratory show whether the selected
potentially explosive atmosphere. The aim is to protection measures are effective.
reduce or prevent the probability of ignition sources
by means of structural and protection measures. We offer operators and manufacturers the following engi-
neering and test services:
Devices and equipment, which are developed and produced • Lightning current tests, for example for equipotential
according to the relevant standards and guidelines and are bonding connections without ignition sparks
thus suited for use in potentially explosive atmospheres, • Coordination tests, for example for SPDs with
are labelled accordingly and are approved by certified and programmable logic controls
independent institutes. DEHN products comply with the
relevant regulations and standards and are approved for use • Coordination tests between isolating spark gaps
in potentially explosive atmospheres. This is confirmed by and insulating flanges
certificates such as ATEX, IECEx or CSA HazLoc to name just
a few. All certificates are available on the relevant product Our test laboratory is equipped with high-performance
page at www.dehn-international.com. devices. Tests are carried our in line with the latest national
and international standards. Thanks to our representation
in standardisation committees over decades, our employees
are always familiar with the latest standards and have in-
depth knowledge of technical basics. We use this know-
ledge to carry out our engineering and test services, thus
making our protection concepts feasible in practice.
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