RS PRO Oval Gear Flow Meter for Liquid, 0.01 L/min Min, 4 L/min Max, 447-4449
It contains a pair of oval gears that are pushed around by the fluid. Magnets transmit their rotations via a Hall-effect sensor, giving around 1,100 pulses per litre passed. • Minimum flow rate (30 cSt oil) 0.03 L/min.