DHII德威尔Dwyer 差压控制器-美国德威尔DWYER

美国德威尔DWYER

型号:DHII

德威尔Dwyer 差压控制器

大型背光液晶显示提供了远距离的本地阅读可拆卸的接线端子，减少布线困难，节省安装时间

DIGIHELIC®II差压控制器

NEMA 4(IP66)外壳大，明亮的LCD，平方根输出流量。

 

系列DHII需要的所有特性的标准Digihelic®压力控制器并将它们包裹在坚固的NEMA 4(IP66)外壳上。

Digihelic®II压力控制器结合了2领域控制继电器，4 - 20 mA过程输出，和Modbus®通信，有一个很大的,明亮的背光四位数液晶显示屏，很容易从远距离看到。


 

特点/好处

NEMA 4外壳可以在室外或室内使用水

•大型背光液晶显示提供了远距离的本地阅读

•可拆卸的接线端子，减少布线困难，节省安装时间

 

应用程序  •空气处理程序    •清洁房间

 

技术规格 ：

Service: Air and non-combustible, compatible gases.
Wetted Materials: Consult factory.
Housing Material: Aluminum, glass.
Accuracy: ±0.5% at 77°F (25°C) including hysteresis and repeatability (after 1 hour warm-up).
Stability: < ±1% per year.
Pressure Limits: Ranges ≤ 2.5 in w.c. = 2 psi; 5?: 5 psi; 10?: 5 psi; 25?: 5 psi; 50?: 5 psi, 100?: 9 psi.
Temperature Limits: 32 to 140°F (0 to 60°C).
Compensated Temperature Limits: 32 to 140°F (0 to 60°C).
Thermal Effects: 0.020%/°F (0.036/°C) from 77°F (25°C).
Power Requirements: High voltage power = 100 to 240 VAC, 50 to 400 Hz or 132 to 240 VDC; Low voltage power = 24 VDC ±20%.
Power Consumption: Low voltage power = 24 VDC - 130 mA max; High voltage power = 100 to 240 VAC, 132 to 240 VDC - 7 VA max.
Output Signal: 4 to 20 mA DC into 900 Ω max.
Zero & Span Adjustments: Accessible via menus.
Response Time: 250 ms (dampening set to 1).
Display: 4 digit backlit LCD 0.6? height. LED indicators for set point and alarm  status.
Electrical Connections: Euro type removable terminal blocks with watertight conduit fittings for 1/2? watertight conduit.
Process Connections: 1/8? female NPT.
Enclosure Rating: Designed to meet NEMA 4 (IP66).
Mounting Orientation: Mount unit in horizontal plane.

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