... good medium generality, pulse signal output proportional to flow, convenient to connect with computer etc. The ... or density to compose high accuracy mass flow or heat flow detecting and measuring system.Feature:1. Better ... high reliability, easy to use3 .Lower limit of flow rate,up to the conventional vortex flowmere1/2to 1/44 ... design of amplify board,5.Wide range in general,up tp 1:30pm,~1:506.Easy ...