Spectron-901-Exd-H-HART fire flame detector

The category of noise immunity - 1 (maximum). Super noise immunity to heavy optical interference. Recognise manual arc and argon welding as spurious interference. They are used in open areas and in closed rooms. They have the following functions: self-testing, function of dustiness, heated optics, transmission of the fault signal, adjustment with 4 modes of range and 4 modes of sensitivity, galvanic isolation between the detector power supply and heating power supply, multi-cascade lightning protection, the function of changing the settings with the help of a tuning light. Detection range on TP-5 - 60 metres, on TP-6 - 50 metres. Viewing angle of 90 °. Inertia 0.1, 5, 15, 25 s (user selectable). Upit - 9...32V.Only 4-wire Idezh - 20mA, Ipozh - 50mA. I with heating up to 310mA. Temperature range: -55°C to 135°C, with heating from -70°C to + 135°C. IP66/IP68. 4-wire connection. Overall dimensions (HxWxG) 255x140x350