德威尔差压表Dwyer压力表空调风管洁净室压力压差测量MAGNEHELIC
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德威尔DWYER公司2000系列Magnehelic微差压表精度为±2%，能现场指示正压，负压或差压产品介绍：2000系列 Magnehelic®微差压表有81种量程范围可供选择，精度为2%。采用了无磨损的机芯，结构简单可靠，可快速灵敏地指示气体的微小正压，负压或差压，它还具备防震和过压保护的功能。Magnehelic®微差压表的价格经济合理，使用方便，避免了测量中的液体差压计的液体蒸发，结冻和必须水平矫正等问题。2000系列 Magnehelic®微差压表被广泛应用于监测风机出口静压，过滤器阻力，测量风速，通风状态，测量孔板两边的差压，还用于吹泡液位测量系统监测液位，监测气体，空气的混合控制比例
产品规格：Service: Air ａnd non-combustible, compatible gases (natural gas option available). Note: May be used with hydrogen. Order a Buna-N diaphragm. Pressures must be less than 35 psi.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% (-HA model ±1) of FS (±3% (-HA ±1.5%) on -0, -100PA, -125PA, -10MM ａnd ±4% (-HA ±2%) on -00, -60PA, -6MM ranges), throughout range at 70°F (21.1°C).Size: 4" (101.6 mm) diameter dial face.Enclosure Rating: IP67.
应用亮点：• 过滤器状态监测• 配合Dwyer皮托管监测风速• 鼓风机真空监测• 风机压力指示• 风管、室内或建筑内压力• 洁净室正压指示认证GOST-R CertificateRoHS Letter of ComplianceCE Approval
