Mechanical flow meter with 1" BSP inlet and outlet. Flow rate 20-80LPM. Max working pressure 3 bar. UR400 has a resetable 4 digit face which displays up to 9999.9 litres with six digit totaliser. Face rotates 90 degrees for vertical or horizontal mounting. Corrosion resistant housing and hardy casy alloy construction make this an ideal meter for gravity tanks and 12 volt pumps used by farmers and contractors who need to record diesel usage for claiming diesel fuel excise rebates. Not for fuel resale use.