The GA-300 has been replaced with the iWire-GA1
The GA-300 CO2 and O2 Gas Analyzer is easy-to-use, robust and adaptable to human, animal and plant applications. The GA-300 has two analog outputs to allow connection to iWorx computer interfaces for recording, display and analysis of O2 and CO2 signals. In addition, the GA-300 incorporates an input for a PHRM-100 Polar(R) Heart Rate Receiver.