Profile: Fine Controls (UK) Ltd specializes in the supply of process controls and instrumentation equipments. Our products include pressure & vacuum regulators, I/P converters, pneumatic relays, volume boosters, flow meters & switches, process valves & flow control valves, valve positioners, stainless steel pneumatics and level trasmitters. The 8010 is a magnetic paddle flow switch for on/off control. Available with normally open or closed, relays this unit can be fitted to a choice of body materials and sizes. The burkert type 8030 paddle-wheel flow sensor is specially designed for use in neutral, solid-free liquids. The sensor is made of a compact fitting with integrated paddle-wheel and an electronic-nodule, quickly and easily connected together by a bayonet. The hall-sensor produces a frequency signal proportional to the flow which can easily be transmitted and process.