Signalisers are automatic stationary devices of general industrial purpose, working on the principle of cyclic flow-injection chemical analysis. The analysers consist of a measuring unit, a control unit, a matching unit, a pneumatic unit and a control device located in a cabinet.
The measuring unit has openings for distilled water supply and drainage of the analysed sample and is connected to the pneumatic unit by a tube for air pumping. On the matching unit there are relay contact outputs with the possibility to connect external sound alarm and analogue current output 4-20 mA.
On the door of the cabinet there is a light signalling system.
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