Electronic Chemical Meter 1″ The chemical meter is an electronic unit made specifically for measuring and monitoring the flow rate of chemicals and AdBlue. Maximum flow rate of 120l/min. Battery powered screen display of up to Measures up to 99999.9 litres at an accuracy of 99%. 1″ BSP Inlet and outlet for ease of connecting filters, hosing and pumps. Specifications (Electronic Chemical Flow Meter) Materials: PPS Gears, Polypropylene Housing Reading Limit: 9999 Litres Max Viscosity: 2000ssu Max Temp: 60°c Inlet/Outlet: 1″ Country of manufacture: China