SMOKE DETCTOR, HEAT DETECTOR, ALARM BELL, The Rate of rise heat detector, Combination Hooseki, Hongcang, Hubungi : 082110255345, 021-99061876 Email : supplier.javageneral@gmail.com

Smoke detector, Heat detector, Alarm bell The Rate of rise heat detector Smoke detector, Heat detector, Alarm bell The Rate of rise heat detector The Rate of rise heat detector, HS-WS19L, is designed to sense the rapid of abnormal rise in temparatureof air. If ambient temperature rises rapidly, the air in chamber expends and preses the diaphram to close the contact point to give advanced warning. When a slower temparature change occurs, the expanded air escapes through a bleeding hole to keep the pressure balanced so what the fault alarm never occurs. Brand: Hooseki Product Type: HS-WS19L