ADPS系列 微差壓開關(guān)-德威爾Dwyer
ADPS系列 微差壓開關(guān)用于監(jiān)測風壓，真空和差壓。設(shè)定點調(diào)整用的旋鈕盤印制有雙刻度：英寸水柱和Pa，便于設(shè)置設(shè)定點。ADPS的量程范圍從0.08英寸水柱(20 Pa) 到16"英寸水柱(4000 Pa)。采用硅膠隔膜和PA6.6材質(zhì)和可調(diào)設(shè)定點旋鈕，并且尺寸小，價格低，非常適合于暖通空調(diào)行業(yè)應(yīng)用。
Service: Air and non-combustible, compatible gases.
Wetted Materials: ADPS: Diaphragm material: Silicone; Housing material: POM; Switch body: PA 6.6; Cover: Polystyrene;
EDPS: Diaphragm material: Silicone; Housing material: Switch body: PA 6.6; Cover: Polystyrene; Materials UL 94 V-0 rated.
Temperature Limits: Process and ambient temperature from -4 to 185°F (-20 to 85°C).
Pressure Limits: Max. Operating Pressure: 40" w.c. (10 kPa) for all pressure ranges.
Switch Type: Single-pole double-throw (SPDT).
Electrical Rating: Max. 1.5 A res./0.4 A ind./250 VAC, 50/60 Hz; Max. switching rate: 6 cycles/min.
Electrical Connections: Push-on screw terminals. M20x1.5 with cable strain relief or optional 1/2" NPT connection.
Process Connections: 5/16" (7.94 mm) outside diameter tubing, 1/4" (6.0 mm) inside diameter tubing.
Mounting Orientation: Vertically, with pressure connections pointing downwards.
Mechanical Working Life: Over 106 switching operations.
Weight: 5.6 oz (160 g).
Enclosure Rating: NEMA 3 (IP54).
Agency Approvals: CE, ETL approved to UL508 and CSA C22.2#14 (EDPS only).
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