A Rtary Gas Meter physically separates the intake int exact quantities and measures them individually, allwing precise ttal flw value recrding. The meter cnsists f a semi-cylinder cavity inside which are tw rtating figure-eight impellers psitined 90 degrees in relatin t each ther by precisin timing gears. The meters are designed fr fiscal use (MID apprved by the NMi). It is designed t measure quantity f gas fr custdy transfer and technical gas measurement applicatins. Rtary Gas Meter is very effective.