I am investigating the use of an in-line mixing tube to deliver a homogenous mixture of two aqueous solutions (h2o and nacl 20% soultion) to a process vessel. The flow rates of the 2 product streams must be controlled to deliver a .9% concentration at the outlet of the mixer during variable...
Is there a measureable parameter of the process that the pump output is intended to control? If so, an analyzer that is able to measure the parameter and deliver a corresponding analog output would be my preferred method. The analog signal (4-20ma) can then be used to control the speed of the...
