oil flow meter with good quality and tech advanced testing equipment convenient installation and maintenance superior service Specifications: ... % ±0.5 % ±1.5% Measuring range: gas 1:100,1:50,1:30,1:10 steam 1:30,1:20,1 ... :10 liquid 1:200,1:100;1:50,1:30,1:10Minimum flow:gas:12L/h steam:2kg ...