At present, most of the manufacturers adopt the audio coding standard of H.320 organized by the International Telecommunication Union, which makes the environment and the advantages and disadvantages of the equipment vary greatly, in order to make the constant temperature and humidity test chamber work efficiency. Improve, we carry out effective testing of the performance of the product, the following is the detection method of the product:
1. Detection of gravity aging performance: When equipment tests have obtained technical specifications for different coatings, we should investigate a variety of factors, especially for the analysis of some of the long storage time. When the device plate is coated with a sharp rise in gravity, it can be said that the gravity aging performance directly shows that the experimental result rises rapidly with the value of the storage time.
2. The standard current and voltage are proportional to the detection: due to the different specifications, the quality of the equipment is different in all aspects. According to the change of the direction of the AC pulse voltage, the direction of the excitation current also changes, so that the device demagnetizes. The magnetic line changes from a curve to a straight line, and the current increases in the opposite direction. When the voltage increases, it can be said that the voltage increases with the increase of the current.
There are many factors that cause the power of the constant temperature and humidity test chamber to drop, such as density, resistance, volume, etc., but because of the slow development of the process, the effect is small, and it does not bring much side effects to the efficiency of the equipment, so that it is not Listed in the test list.
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