Works with numerical algorithm. Feel the fire at the beginning, can detect 10mA -15mA. Designed for use with control panels. The early warning system is of critical importance. Market, school, etc. .
The prices does not include taxes and freight. Operating voltage 9-30 VDC (Nom 12/24 VDC) base type B24 и B24D: 20mA / 12-30 V; base type B24RD: 33mA / 12V, 49mA / 24V, 57mA / 30V Power consumption in case of alarm base type B12: 18mA / 9V, 29mA / 12V, 32mA / 15V Power consumption from RI terminal in case of alarm 20mA (max) / - 3.3V Degree of protection IP 30 Working temperature -10 / + 60 ° С Relative abrasion resistance at 40 ° C (93 ± 3%) Dimensions (including base) diameter 102 mm, height 42 mm Weight (including base) 160 gr