Processor Based Oxygen Monitoring System is featured with 6 digits, 7 segment LED display to facilitate ease of operation. The Oxygen Monitoring System is provided with RS 232 communication port and operates on a power supply rate of 230 V AC ±10 %. The Oxygen Monitoring System consumes less than 10 Watts during operation. Processor Based Oxygen Monitoring System is available in a dimension of 400 mm X 300 mm X 95 mm.