美国WALCHEM禾威WDP410/420/440双输入式pH/ORP自动添加控制器 别名：PH控制器 ORP控制器 酸碱度控制器 酸碱度自动控制器 酸碱度自动添加控制器 酸碱度 氧化还原度自动控制器 WDP410-5N1N WDP410-5N2N WDP410-541N WDP410-542N The WDP410/420/440 Series Dual Input pH/ORP on-line process controllers are designed for a broad range of industrial, commercial, and municipal water treatment applications. WDP controllers are easily configured to accurately measure pH or mV (ORP) values from Walchem’s WEL and WDS differential combination electrodes, or any conventional combination electrode. A versatile output configuration allows you to program up to four outputs in a variety of control modes. select from on/off mechanical relays or pulse proportional control for direct connection to metering pumps. The easy-to-use menu format and pre-wired, pre-mounted panel system options make set-up and installation quick and simple. Integrated datalogging is available to validate system performance.
