2000系列 Magnehelic微差壓表-德威爾Dwyer
2000系列 Magnehelic®微差壓表有81種量程范圍可供選擇，精度為2%。采用了無(wú)磨損的機(jī)芯，結(jié)構(gòu)簡(jiǎn)單可靠，可快速靈敏地指示氣體的微小正壓，負(fù)壓或差壓，它還具備防震和過(guò)壓保護(hù)的功能。Magnehelic®微差壓表的價(jià)格經(jīng)濟(jì)合理，使用方便，避免了測(cè)量中的液體差壓計(jì)的液體蒸發(fā)，結(jié)凍和必須水平矯正等問(wèn)題。
2000系列 Magnehelic®微差壓表被廣泛應(yīng)用于監(jiān)測(cè)風(fēng)機(jī)出口靜壓，過(guò)濾器阻力，測(cè)量風(fēng)速，通風(fēng)狀態(tài)，測(cè)量孔板兩邊的差壓，還用于吹泡液位測(cè)量系統(tǒng)監(jiān)測(cè)液位，監(jiān)測(cè)氣體，空氣的混合控制比例，在醫(yī)療設(shè)備和裝置中監(jiān)測(cè)血壓，和呼吸壓力等。
注：可以用于氫氣，但在訂購(gòu)時(shí)須選用Buna-N丁氰橡膠隔膜，工作壓力在35psi。
Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
Wetted Materials: Consult factory.
Housing: Die cast aluminum case and bezel, with acrylic cover, Exterior finish is coated gray to withstand 168 hour salt spray corrosion test.
Pressure Limits: -20 in Hg. to 15 psig.† (-0.677 bar to 1.034 bar); MP option; 35 psig (2.41 bar), HP option; 80 psig (5.52 bar).
Overpressure: Relief plug opens at approximately 25 psig (1.72 bar), standard gages only. See Overpressure Protection note on Catalog page.
Temperature Limits: 20 to 140°F (-6.67 to 60°C). -20°F (-28°C) with low temperature option.
Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
Process Connections: 1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
Weight: 1 lb 2 oz (510 g); MP & HP 2 lb 2 oz (963 g).
Standard Accessories: Two 1/8" NPT plugs for duplicate pressure taps, two 1/8" pipe thread to rubber tubing adapters and three flush mounting adapterswith screws. (Mounting and snap ring retainer substituted for three adapters in MP & HP gage accessories.)
Note: For applications with high cycle rate within gage total pressure rating, next higher rating is recommended. See Options Page.
Agency Approval: Meets the technical requirements of EU Directive 2011/65/EU (RoHS II). Note: -SP models not RoHS approved.
Accuracy: ±2% of FS (±3% on -0, -100PA, -125PA, -10MM and ±4% on -00, -60PA, -6MM ranges), throughout range at 70°F (21.1°C).
Note: May be used with hydrogen. Order a Buna-N diaphragm. Pressures must be less than 35 psi.
Size: 4" (101.6 mm) diameter dial face.
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