There has been writings about accelerometers (let it continue !). Now it would bee nice to see if there is some solution for this: I want to measure how much petrol goes thru my carburator I mean to device to measure MPG in cars and such. Tube should be about 6 mm and flux about 0..100 l/h. And remember, it is flammable when in contact with oxygen ! -------------------------------------------------------------------------- PTM, pasi.mustalahti@utu.fi, ptmusta@utu.fi, http://www.utu.fi/~ptmusta Lab.ins. (mikrotuki) ATK-keskus/Mat.Luon.Tdk OH1HEK Lab.engineer (PC support) Computer Center OI7234 Mail: Turun Yliopisto / Fysla, Vesilinnantie 5, 20014 Pt 02-3336669, FAX 02-3335632 (Pk 02-2387010, NMT 049-555577) --------------------------------------------------------------------------