Duwei DW120 differential pressure transmitter adopts intelligent embedded software algorithm and unique temperature compensation technology to solve the problems of zero drift, frequent pressure change jump and nonlinear output of field wind pressure measurement. At the same time, it has the characteristics of high sensitivity, high precision and strong anti-interference ability. It is widely used in various industrial automatic control environments, involving petroleum pipeline, water conservancy and hydropower, railway transportation, intelligent building, production automatic control, aerospace, military industry, petrochemical, oil well, electric power, ship, machine tool, pipeline air supply, boiler negative pressure and many other industries.