4000系列 Capsuhelic液用差压表-德威尔Dwyer
4000系列 Capsuhelic?液用差压表可快速,准确地指示差压,它能用于指示液体过滤器两端的差压,槽罐的液位,或用于其它任何需要正压,负压或差压测量的场合。
采用了可靠耐用的Magnehelic&微差压表的设计理念,结构简单可靠,机芯无磨损,可精确读数低到0.5英寸水柱,采用了密封膜盒,可在静压到500psig时,还可测出低于0.1英寸水拄的差压。
精密的膜盒测量元件无需充液,可用于室外。可外部调整零点和量程,在校准或维护时,无需拆卸仪表。
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: Aluminum Case: Air and compatible gases and oil based liquids. Brass Case: Air and compatible gases and water based liquids.
Wetted Materials: Consult factory.
Housing: Die cast aluminum with impregnated hard coating, standard. Optional forged brass housing is required for water or water based fluids.Special material diaphragms available, contact factory.
Accuracy: ±3% of FS at 70°F (21.1°C). (±2% on 4000S models, ±4% on 4200, 4210, 4215, 4220, 4300, 4400, and 4500).
Pressure Limits: -20" Hg to 500 psig. (-0.677 bar to 34.4 bar).
Temperature Limits: 20 to 200°F (-6.67 to 93.3°C).
Size: 4" (101.6 mm) diameter dial face.
Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
Process Connections: 1/4" female NPT high and low pressure taps, duplicated - one pair top for air and gas, and one pair bottom for liquids.
Weight: 3 lb, 3 oz (1.45 kg) aluminum case; 7 lb, 13 oz (3.54 kg) brass case.
Standard Accessories: Two 1/4" NPT plugs for duplicate pressure taps, four flush mounting adapters with screws and four surface mounting screws.