1900系列微差压开关

1900系列微差压开关
1900是最通用的系列产品，技术先进，结构精密，性价比高。它为空调系统而设计，也用于其它多种工业场合。 1900系列开关的设定点从0.07到20"英寸水柱(1.8到508毫米水柱)，用于空气或兼容气体设定点很容易调节，调节螺丝被保护在外壳内，以防止误调。产品通过了UL，CE，CSA和FM认证。

警告：产品只能用于空气及兼容气体
1900系列微差压开关技术参数

Service: Air and non-combustible, compatible gases. Wetted Materials: Consult factory. Temperature Limits: -30 to 180°F (-34 to 82.2°C). Pressure Limits: 45" w.c. (11.2 kPa) continuous, 10 psig (68.95 kPa) surge. Switch Type: Single-pole double-throw (SPDT). Repeatability: ±3%. Electrical Rating: 15 A @ 120-480 VAC, 60 Hz. Resistive 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC, 60 Hz. Derate to 10 A for operation at high cycle rates. Electrical Connections: 3 screw type, common, normally open and normally closed. Process Connections: 1/8" female NPT. Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations. Set Point Adjustment: Screw type inside conduit enclosure. Weight: 1 lb 4.5 oz (581 g). Agency Approvals: CE, CSA, FM, UL. Optional EXPL Explosion-proof enclosure does not possess any agency approvals.