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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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