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 进口302-epm-135感温棒all 302 series detectors are normally open devices and areavailableineither 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 shellandfinesi*er contacts which arehermeticallysealed to ensure reliableoperation. electrical rating （额定电功率）6-28 vdc, 1amp.(all models) 大发机电供感温棒302-135- interior, vertical mounting fixed temperature135°fmaximumspacing - ul 50' x 50' 302-194 - interior, vertical mounting fixed temperature194°fmaximumspacing - ul 50' x 50' 这款应该是室内使用 302-et-135 - all weather, vertical mounting fixedtemperature135°fmaximum spacing - ul 50' x 50' 302-all weather, vertical mounting fixed temperature194°fmaximumspacing - ul 50' x 50' 这款是所有的环境使用 302-aw-135 - moisture and dust proof, verticalmountingfixedtemperature 135°f maximum spacing - ul 50' x 50' 302-aw-194 - moisture and dust proof, verticalmountingfixedtemperature 194°f maximum spacing - ul 50' x 50' 这款是防潮和防尘

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成都广锐达科技有限公司
蒋瑶
18030717597
成都市成华区羊子山路68号4栋1单元14层17号