... Features of Headspace Analyzer: 1. Test the features of O2, CO2 gas content at the same time, 2. ... Analyzer: 1. Testing Gases: O2, CO2, 2. O2 Testing Range: 0-100%, 3. O2 Test Accuracy: 0%~2%; ± ... value), 2%~100%; ±0.5% (relative value), 4. O2 Sensor Lifetime: >6 years, 5. CO2 Test Range: 0~100%, ... 6. CO2 Test Accuracy: ±2%, 7. CO2 Sensor Lifetime: >15 years, 8. Sampling Volume: <12ml (auto); ...