安裝方式	嵌裝/盤(pán)裝
顯示方式	指針
原理	負(fù)荷式壓力表
品牌	Dwyer德威爾
型號(hào)	2020D
加工定制	是

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.
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).
Pressure Limits: -20 in Hg to 15 psig (-0.677 to 1.034 bar);
 MP option: 35 psig (2.41 bar); HP option: 80 psig (5.52 bar).
Enclosure Rating: IP67.
Overpressure: Relief plug opens at approximately 25 psig 
(1.72 bar), standard gages only.u
Temperature Limits: 20 to 140°F* (-6.67 to 60°C). -20°F (-28°C) with low temperature option.
Size: 4" (101.6 mm) diameter dial face.
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 adapter, and three flush mounting adapters with 
screws. (Mounting and snap ring retainer substituted for three adapters in MP & HP gage accessories.)
Agency Approvals: Meets the technical requirements of EU Directive 2011/65/EU
(RoHS II). Note: -SP models not RoHS approved.
Note: For applications with high cycle rate within gage total pressure rating, next
higher rating is recommended. See Medium and High pressure options.