诺帝菲尔进口302-EPM-194感温棒中国区销售面向全国火热招商。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。 进口302-EPM-194 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) 大发机电供感温棒302-135- Interior, Vertical Mounting Fixed Temperature 135°F Maximum Spacing - UL 50' x 50' 302-194 - Interior, Vertical Mounting Fixed Temperature 194°F Maximum Spacing - UL 50' x 50' 这款应该是室内使用 302-ET-135 - All Weather, Vertical Mounting Fixed Temperature 135°F Maximum Spacing - UL 50' x 50' 302-All Weather, Vertical Mounting Fixed Temperature 194°F Maximum Spacing - UL 50' x 50' 这款是所有的环境使用 302-AW-135 - Moisture and Dust Proof, Vertical Mounting Fixed Temperature 135°F Maximum Spacing - UL 50' x 50' 302-AW-194 - Moisture and Dust Proof, Vertical Mounting Fixed Temperature 194°F Maximum Spacing - UL 50' x 50' 这款是防潮和防尘 302-EPM-135 - Explosion Proof Screw Base, Vertical Mounting Fixed Temperature 135°F Maximum Spacing - UL 40' x 40' 302-EPM-194Explosion Proof Screw Base, Vertical Mounting Fixed Temperature 194°F Maximum Spacing - UL 40' x 40' 进口302-EPM-194感温棒中国区销售加盟项目就找广锐达科技