ECOMETER

Meters used to measure hydrocarbon fuel and flow meters used to measure hydrocarbon vapor both comprised of data processing and communication electronic equipment, namely pulser hardware to detect flow rate, counters used to count pulse signals indicative of flow rate, serial and parallel port connectors used for communicating pulser signals and diagnostic information, spindles to move fuel through meter using positive displacement, board cylinders and shafts used for indicating revolutions of the positive displacement, filters for filtering fuel flowing through the meter and parts and fittings for the aforesaid goods; software used with meters to perform error correction