Dwyer产品 616W系列微差压变送器美国德威尔压差表流量计差压计差压开关差压变送器

616W系列微差压变送器
产品说明：
NEMA 4X防护，精度为0.25%，量程范围从0 - 1英寸水柱到0 - 100psid
616W系列微差压变送器能够测量正压，负压和差压，精度为0.25%。它采用聚碳酸酯外壳，NEMA 4X（IP66）的防护，用于监测空气或其它兼容气体，输出4-20mA。
两线制的设计，多种量程范围可以选择，工厂会在出厂前校准。量程和零点可在校准时调整，但它不能大幅度改变量程。可选LCD数显用于现场显示（如果不需要LCD显示，去掉后面的后缀）。
产品规格：
Service: Air and non-combustible, compatible gases.
Wetted Materials: Consult factory.
Accuracy: ±0.25% FS @ 77°F (25°C), display accuracy ±0.5%.
Stability: ±1% FS/yr.
Temperature Limits: 14 to 185°F (-10 to 85°C).
Pressure Limits: See Model chart on catalog page.
Power Requirements: 10 to 35 VDC (2-wire), 17 to 36 VDC, or isolated 21.6 to 33 VAC (3-wire).
Output Signal: 4 to 20 mA (2-wire), 0 to 5 VDC, or 0 to 10 VDC (3-wire).
Zero and Span Adjustments: Push buttons.
Loop Resistance: Current output: 0 to 1250 Ω max; Voltage output: Load resistance 1 kΩ (min).
Current Consumption: 40 mA (max).
Electrical Connections: 3-wire removable European style terminal block for 16 to 26 AWG.
Process Connections: Barbed, dual size to fit 1/8" and 3/16" (3.12 and 4.76 mm) ID rubber or vinyl tubing.
Enclosure Rating: NEMA 4X (IP66).
Mounting Orientation: Any orientation.
Weight: Without LCD 8.8 oz (249 g); with LCD 9.6 oz (272 g).
Agency Approvals: CE.