Positive and negative pressure transducer

Abstract

The invention relates to a positive and negative pressure transducer, comprising a one-way valve, a vacuum module, a pressure relief valve, and an air supply module. One end of the vacuum module is connected to a one-way valve; the pressure relief valve is connected to the other end of the vacuum module; and the air supply module is connected to the one-way valve, the vacuum module, and the pressure relief valve. When in use, the positive and negative pressure transducer can be connected to a sample container transport device. By coordinating the one-way valve, the vacuum module, the pressure relief valve, and the air supply module, the conversion between positive and negative pressure is achieved, thus allowing for stable and rapid transport of sample containers. This prevents the sample containers from colliding during transport, which affects the accuracy of sample testing, saving time and ensuring stable transport.

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