Mini-Photohelic 差壓開關(guān)表 MP-020
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陜西正捷工程科技有限責(zé)任公司
免費(fèi)會(huì)員·9年Dwyer 帶聲光報(bào)警差壓開關(guān) BDPA
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產(chǎn)品介紹
BDPA可調(diào)式差壓開關(guān)，內(nèi)置聲光設(shè)定點(diǎn)顯示，適用于超壓、真空、壓差應(yīng)用場(chǎng)合。 按比例調(diào)節(jié)旋鈕允許在沒有壓力計(jì)的情況下改變開關(guān)壓力。BDPA的設(shè)置范圍為0.08" w.c. (20 Pa)到20" w.c. (5000 Pa)。 硅膠隔膜和PA 6.6閥體使得該系列BDPA與空氣和其他不可燃?xì)怏w結(jié)合使用。BDPA可調(diào)式差壓報(bào)警器提供了多種配置，允許利用它們的許多特性。
BDPA可由電池供電或24 VDC/VAC線供電。 如果連接電源，電池可以作為備用電源，以防停電。 當(dāng)設(shè)置點(diǎn)閾值達(dá)到時(shí)，一個(gè)本地響亮的可聽到的蜂鳴器和明亮的LED將表明設(shè)置點(diǎn)激活。 一個(gè)SPDT接點(diǎn)也可以被連接到遠(yuǎn)程發(fā)送信號(hào)到DDC或管理系統(tǒng)。 在進(jìn)行維護(hù)操作之前，用戶可以通過按壓位于蓋上開口處的按鈕來手動(dòng)解除聲音和視覺指示。 如果儀器安裝在難以訪問的地方，則可以連接一個(gè)遠(yuǎn)程，允許用戶在遠(yuǎn)程位置關(guān)閉蜂鳴器和LED。
Service:Air and noncombustible, compatible gases.
Wetted Materials:Diaphragm: Silicone; Housing: Switch Body: PA 6.6 and POM; Cover: Polystyrene.
Temperature Limits:32 to 122°F (0 to 50°C).
Pressure Limits:40" w.c. (10 kPa).
Electrical Rating:1.0 A @ 30 VDC/VAC.
Switch Type:SPDT.
Alarm Indication:Red LED and audible alarm.
Alarm Level:Approximately 90 db at 4" (10 cm).
Alarm Acknowledge:Button press.
Power Requirements:16 to 30 VDC, 18 to 30 VAC or 3.6 V LS14250 lithium metal battery, installed functional, user replaceable. Battery acts as back-up if power is lost.
Battery Life:Approximately 1.5 years with 3.6 V/1.2 Ah.
Repeatability:±15% FS.
Electrical Connections: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.
Enclosure Rating:IP21.
Weight:6.1 oz (173 g).
Agency Approvals:CE, RoHS.
Warranty:5 year limited warranty.
| BDPA-03-2-N | Adjustable differential pressure alarm, range .20-2.00" w.c., M20 connection. |
| BDPA-04-2-N | Adjustable differential pressure alarm, range .12-1.60" w.c., M20 connection. |
| BDPA-05-2-N | Adjustable differential pressure alarm, range .80-4.00" w.c., M20 connection. |
| BDPA-06-2-N | Adjustable differential pressure alarm, range 2.00-10.00" w.c., M20 connection. |
| BDPA-07-2-N | Adjustable differential pressure alarm, range 4.00-20.00" w.c., M20 connection. |
| BDPA-08-2-N | Adjustable differential pressure alarm, range .08-1.20" w.c., M20 connection. |
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