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Device for testing smoke extraction installation with pneumatic actuation in frontage of building, has distribution unit selectively set in communication of measurement units with pneumatic passage or free air passage
Device for testing smoke extraction installation with pneumatic actuation in frontage of building, has distribution unit selectively set in communication of measurement units with pneumatic passage or free air passage
The device has a body (11) whose end fitting (12) is connected to the reception port of the installation. A gas cartridge under pressure reception port (15) is connected to the end fitting by a pneumatic passage. A percussion unit e.g. percussion lever (17), releases gas under pressure contained in the gas cartridge connected to the port of the body. Pressure measurement units (18) associated to a distribution unit (19) selectively sets in communication of the measurement units with the pneumatic passage or free air passage.
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