Usage Tips:1、The pressure wave switch control box is composed of a low induction pressure wave switch, a control box, a connection structure system, etc. 2、It has the characteristics of compact structure, small volume, wide pressure range and high precision. 3、When it senses the tiny air pressure generated by the rubber seal, the inductive diaphragm pushes the conductive sheet to close the microswitch contact. 4、The unique waterproof case design gives the switch perfect protection. 5、Can adapt to a variety of outdoor environments. Features: The pressure wave switch control box is composed of a low induction pressure wave switch, a control box, a connection structure system, etc. It has the characteristics of compact structure, small volume, wide pressure range and high precision. When it senses the tiny air pressure generated by the rubber seal, the inductive diaphragm pushes the conductive sheet to close the microswitch contact. The unique waterproof case design gives the switch perfect protection. Can adapt to a variety of outdoor environments. Widely used in pressure detection equipment such as gates, advertising gates, automatic rolling gates. Specification: Condition: Brand Material: ABS plastics Color: As picture shown Rated voltage: 5-250V Medium: non-corrosive gas Wiring method: wiring connection (with terminals) Withstand voltage: 1000mbar Rated current: 5-20mA Type: Mechanical pressure switch Mechanical life: 100,000 times Interface: 3mm outer diameter plug Response time: <10ms Working pressure: 2-5mpa Electrical performance: up to 100mA / 250VAC Temperature range: -40°C - 70°C Packing size: 12*10*3cm/4.7*3.9*1.2in Package List: 1 * Pressure wave switch 1 * 1 meter PVC connection hose 2 * Rubber plug 2 * Screw 2 * Screw cap Note: Please allow slight dimension difference due to different manual measurement.