dwyer产品 2000系列Magnehelic®微差压表美国德威尔压差表流量计差压计差压开关差压变送器

2000系列Magnehelic®微差压表
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，在医疗设备和装置中监测血压，和呼吸压力等。
注：可以用于氢气，但在订购时须选用Buna-N丁氰橡胶隔膜，工作压力在35psi。
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.