Oval gear electronic flow meters in acetal resin for controlling the non commercial dispensing of low, medium and high viscosity fluids including fuel, lubricating oil and other special fluids compatible with construction materials. Body with aluminium measuring chamber. Free contact signal pulser (reed switch), single channel. 5 digit partial Total (h=11.5 mm) with floating point from 0.001 to 999.99. 8 digit non resettable Total (h=5 mm) from 1 to 99999999. Repeatability 0.2 %. Loss of pressure <0.5 bar at maximum flow rate.