Features High Accuracy The range is 40-400Pa and the differential pressure is 20Pa, which ensures wide coverage and high accuracy. Smart Control: This air pressure switch is designed for high sensitivity and allows good control of the machine and equipment. Practical use: allows application in electronic processing, medicine and pharmaceutical, environmental engineering and so on. EASY TO INSTALL Lightweight and compact, the pressure switch with 8x5mm thread is very convenient to install. Safer Working: Waterproof and dustproof, the control switch has a safe protection for higher work safety, useful and reliable. Specification: Item Type:Air Pressure Switch Specification: LF32-04. Measuring medium: air, non-flammable or non-hazardous gas. Product Type: Mechanical Interface thread: approx. 8 x 5 mm / 0.31 x 0.2 inches. Measuring range: 40-400 pa. Differential pressure: 20 Pa. Error: ≤±15%. Medium temperature range: -20℃~85℃. Contact material: copper Installation method: vertical installation Contact method: SPDT Package list: 1 x air pressure switch. 1 x cable. 2 x pressure line. 5 x Pressure Line Mounting Screw 3 x pressure switch matching screw. Package List 1 x Air Pressure Switch 1 x Conduit 2 x Pressure Conduit 5 x Pressure Conduit Fixing Screw 3 x Pressure Switch Matching Screw