- Breathing performance
- Cold water test
- Downstream demand valve
- Average volume / weight of inhaled CO2
- Hidrostatic imbalance
- Noise assessment
- Temperature resistance:
- -20 °C / +50 °C conditioning
- Performance at -20°C
- Performance at +50°C
- -30 °C / +70 °C conditioning
- Performance at -30°C
- Performance at +70°C
- Pressure test of high and medium pressure parts
- Upstream demand valve
- Exhalation valve
- Facepiece
- Mechanical strength of the connections between facepiece and connector