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The cost of hot and humid environment test is mainly the labor cost and equipment occupancy fee. The effective method to reduce the cost of mass product environment test is to improve the test efficiency and shorten the total time of the test. The multi channel measurement and control system can be used to test multiple products simultaneously. It can not only simplify the single product testing process, but also shorten the total time of the test. The multichannel measurement and control system based on 1553B protocol is mainly used in the acceptance test of the controller. A measuring and controlling box which integrates power supply, communication and signal conditioning functions in one, realizes the electrical connection between the industrial control machine and the measured product. The time division multiplexing technology is used to realize the simultaneous test of several measured products, asynchronous measurement, and double reduce the cost of the test. VisualStudio is used as the development environment and the C# language is used to design program in the industrial control machine. The set of measurement and control software can realize intelligent communication, signal acquisition, data analysis and processing. The test results are clear and intuitive, which greatly simplifies the tedious analysis of the data of the experimenter.