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iWire-GA1 CO2 & O2 Gas Analyzer

The iWire-GA1, CO2 and O2 Gas Analyzer is easy-to-use, robust and adaptable to human, animal and plant applications. The iWire-GA1 plugs in the iWire port on an iWorx Recorder for recording, display and analysis of O2 and CO2 signals.  In addition, the iWire-GA1 incorporates an input for a Temperature Sensor (TM-220) and a Polar(R) Heart Rate Receiver (PHRM-100 ).

The iWire-GA1 is suitable for recording and measuring:

  • Basal Metabolic Rate (BMR)
  • Resting Metabolic Rate (RMR)
  • Respiratory Exchange Ratio (RER)
  • Sedentary to light activity VO2 and VCO2
  • VO2 Max


sensors O2, CO2,Temp, Barometric Pressure, HR
Temp10 – 50 deg C
HRPolar Heart Rate
CO2 Sensor
Sense MethodNDIR
Error< 0.26% CO2
Warm up5-8 minutes
O2 Sensor
Range0-50 %
Sense MethodParamagnetic
Linearity< 0.2% O2
Repeatability< 0.2% O2
Drift< 0.4% in 1st 24 Hours, then <0.2% additional the following week, then < 0.2% additional per each following month.
Warm up1 minute

Part Number: iWire-GA1