Digital turbine meter for low viscosity fluids, easy to install in line or for end of the line applications measures in litres, quarts, pints & gallonsbi-directional: display can be rotated in 4 different positionseither ports can be used as inlet outletpolyamide turbine measuring mechanismelectronic display using two aaa 1.5v batteriesaluminium body and sealed electronic card makes it suitable for use in severe weather conditions easy user re calibration.