Fire alarm sounders (scoreboards) mine explosion-proof Filin-T-RV-12, Filin-T-RV-220

Alarms (scoreboards) of FILIN-T-RV models of mine version are designed to provide sound and light (text or sign) alarm signals. The sirens can be used as information, exit and evacuation signs with constant or intermittent light indication. The sirens equipped with batteries can be used in conditions of power failure. According to the explosion protection marking, the boards can be used in mines (mines) hazardous by mine gas (methane) and combustible dust and in their surface buildings. The alarm light signal is contrast-distinguishable at its illumination up to 1000 lx in the solid angle of 90° from a distance of 15m. Text, inscription colour or sign (pictogram) pattern, background colour (contrast colour) are determined by the customer. The recommended number of letters in the inscription is 20, the number of lines in the inscription is 1-2. Can be supplied with 2 input boxes for transit installation or with one input box for dead-end installation