Ultra-High Purity Liquid Flow Controller
The Brooks LF200 Series is a liquid ultrasonic flow controller designed for ultra-high purity applications. The wetted surface is made of PFA, which has a very high chemical resistance. The flow path is straight and the valving can be a needle valve or pinch valve. Measurement technique is through ultrasonic transit-time, control can be done through 4 - 20 mA, 0 - 5 (10) VDC or RS485. There are also a convenient integral display and an external push button for zeroing.