The instrument is applicable for measuring end tidal CO2, minimum inspired CO2 and repiratory rate to help in assessing ventilator status of any patient whether adult or child or even infant. The device provides complete accuracy because it can automatically compensate for ambient biometric pressure. No routine calibration is needed in this module. The Sl Capnography module guarantees the flexibility as it is the amalgamation of mainstream and sidestream monitoring modes in one unit. The module serves delicately to the little patients by sidestream monitoring with a low sampling rate of 50ml/min. Besides these, the module also felicitates the monitoring of waveform, numeric value (kPa, mmHg, or percent), minimum inspired CO2 value and the airway respiration rate.