Want a device, which is capable of controlling ultra-minute flows ?, our Variable Area Flow Meter is a perfect opt for you. This flow meter is suitable for integration into your equipment panel, vacuum line control and biotechnology industries. Variable Area Flow Meter comes with a needle valve for maximizing precision control of flows. This meter comes with tube and float, in which ‘float’ response to flowrate changes is linear. This versatile and easy using flow meter basically operates at a constant delta pressure.