Differential pressure sensor for air flow Description QAD series gas flow switch, is a protection class up to IP54 switch, can effectively control gas flow, suitable for aerators, air conditioning and fans in the field. Technical Specifications Model QAD Media Air,non-combustible and non-aggressive gasses Max Operating Pressure 10kPa Mounting Position Diaphragm in any vertical plane Degree of protection IP54(with cover) Operating Temperature -40℃to 85℃ Contact Arrangement