1、SHOCK RESISTANT AND SMALL: Come with high accuracy, high shock resistance, small size. The interface thread adopts air pipe connection 8x5mm 2、DUSTPROOF WATERPROOF PROTECTION: Dustproof and waterproof, provide multi effect protection. The measuring medium includes air, non flammable or non hazardous gas 3、WIDE USAGE SCENARIOS: Applicable usage scenarios for aerospace, electronic processing, pharmaceutical, environmental protection engineering, etc. 4、WIDE RANGE AND LOW ERROR: Measuring range from 1000-5000pa, differential pressure is 250pa, error less or equal than ±15%, stable and accurate 5、COPPER CONTACTS AND VERTICAL INSTALLATION: Differential pressure switch adopt copper contacts, single pole double throw contact, vertical installation, very convenient