These flame detectors give the highest immunity to false flame sources both indoors or out. They have internal self-test sources that check the detector’s operation when remotely instructed. The maximum ambient temperature is normally 55°C or 85°C for the higher temperature specification detectors.
16591: Die cast zinc alloy
16531: Stainless Steel
16291: Die cast zinc alloy – High Temperature
Hazardous Area Models – Flameproof (Exd)
16521: Copper free aluminium allow – Colour red
16221: Copper free aluminium alloy – High Temperature up to 85°C – Colour Red
16561: Stainless Steel – Colour Natural
The sensor housings have been certified by ISSeP (notified body no: 492) for compliance with standards EN50014, EN50018 and EN50281.
ISSeP Certificate No.: ISSeP03ATEX012X
ATEX: II 2 G D; Zones 1, 2, 21 or 22
CENELEC/IEC: EEx d IIC T6 (85°C); IP66