76404477
May 7, 2002
Jun 1, 2004
electronic monitoring equipment comprising transducers for sensing temperature and oxygen level conditions in exhaust gases, an electronic controller for converting exhaust gas temperature and oxygen level signals into digital data signals, and a wireless transmitter for communicating the digital data signals to a receiving station, interconnected for remotely monitoring and reporting exhaust gas conditions in land-based internal combustion engines
Electrical and Scientific Apparatus