The Model 400 is a liquid flow controller designed for water and other non-corrosive fluids. It incorporates a stepper motoractuated needle valve, a precision liquid Flo-Sensor, and electronics that compare the output of the Flo-Sensor to the setpoint and move the needle accordingly.
The Model 470 control unit is a user interface for the Model 400. It provides a digital display, adjustable setpoint potentiometer, and power supply for the Flo-Controller. Using optional cables , the user may also remotely send and receive 0-5VDC signals to the Model 400 through the Model 470.
A set of jumpers on the Model 470 allow the user to select display settings and whether to use the internal or external setpoint.
Please see data sheet for all options.