For over 20 years, ExVA Kft has manufactured custom and in-house developed specialised test equipment that are indispensable for carrying out explosion proofing tests. The professional quality of these equipment is demonstrated by our decades long track record of not a single customer having requested any warranty repairs. In order to be able to keep providing the highest quality to our customers, our products are subject to continuous improvement.
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Products
Spark Test Apparatus
The spark test apparatus can be used to inspect whether there are any sparks with sufficient energy within a given circuit to ignite the surrounding explosive environment present. This test is intended to analyse whether, during operation, the tested equipment has the capacity to cause any sparks or arcing that would – under the given conditions – set off an explosion of the standard-specified gas mixture inside the given chamber.
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Digital Precision Gas Mixer
The digital precision gas mixer is a universal portable device that can be used to produce a discretionary mixture of air and gas chosen by the user. The equipment is fully automatic, only the selected gas, air and power needs to be connected.
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High-Output Digital Precision Gas Mixer
The high-output digital precision gas mixer is a universal portable device that can be used to produce a discretionary mixture of air and gas chosen by the user, primarily for filling explosion chambers. The unit can be used as a stand-alone device.
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MESG Apparatus
The MESG apparatus is intended for determining the g0 (Maximum Experimental Safe Gap) and its corresponding g100 values, which are required for the classification rating of gases, vapours and mists. Furthermore, the apparatus can be used to validate the accuracy of a given gas concentration.
More MESG+STA Apparatus
This product also includes a maximum experimental safe gap tester (MESG) and a spark tester (STA). Its advantage is that it saves space and both functions can be controlled from one control system.
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