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Gas chromatograph solid state relay structure

Please read this article about Gas chromatograph solid state relay structure


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Gas Chromatograph Solid State Relays were introduced in the 1970s and consist of three parts: input circuits, isolation, and output circuits. According to different types of input voltage, the input circuit can be divided into three types: DC input circuit, AC input circuit and AC/DC input circuit. Some gas chromatograph solid-state relay input control circuits also have TTL/CMOS compatible, positive and negative logic control box inversion. The isolation and coupling methods of the input and output circuits of the gas chromatograph solid-state relay are optocoupler and transformer coupling. The output circuit of the solid state relay can also be divided into a DC output circuit, an AC output circuit, and an AC/DC output circuit. The gas chromatograph solid state relay has a series of advantages such as reliable operation, long life, low interference to the outside world, compatibility with logic circuits, strong anti-interference ability, fast switching speed and convenient use.


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