進口302-ET-194感溫棒
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 (氧化鋁)sensing shell and fine silver contacts which are hermetically sealed to ensure reliable operation. Electrical Rating (額定電功率)6-28 VDC, 1 amp. (all models)
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'
這款應(yīng)該是室內(nèi)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'
這款是所有的環(huán)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'
這款是防潮和防塵 |