所有302系列的探测器都是常开的系统,有135华氏度(57摄氏度)和194华氏度(90摄氏度)两种定温度等级。
All
302 Series Detectors are normally open devices and are available in either 135°F
(57°C) or 194°F (90°C) ratings. Each unit is constructed with a high expansion
.040 anodized aluminum (氧化铝)sensing
shell and fine silver contacts which are hermetically sealed to ensure reliable
operation. Electrical Rating (额定电功率)6-28
VDC, 1 amp. (all models)