1900系列 微差壓開關(guān)-德威爾Dwyer
1900系列 微差壓開關(guān)是*通用的系列產(chǎn)品，技術(shù)先進(jìn)，結(jié)構(gòu)精密，性價(jià)比高。它為空調(diào)系統(tǒng)而設(shè)計(jì)，也用于其它多種工業(yè)場合。 1900系列開關(guān)的設(shè)定點(diǎn)從0.07到20"英寸水柱(1.8到508毫米水柱)，用于空氣或兼容氣體。設(shè)定點(diǎn)很容易調(diào)節(jié)，調(diào)節(jié)螺絲被保護(hù)在外殼內(nèi)，以防止誤調(diào)。產(chǎn)品通過了UL，CE，CSA和FM認(rèn)證。
警告：產(chǎn)品只能用于空氣及兼容氣體。
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.
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