... Materials and methods The problems with burning of contacts elektromontazhnykh groups are not using the dip switches. Studied special alloys reduces the risk of burning and false positives when using magneto-mechanical groups. Results Previously produce explosion-proof shell also had a large dimensions and mass.Found the solution to minimize size and today is successfully used. Conclusions Data explosion gauges have a number of advantages, such as the use of switches and explosion-proof casing in stainless ...

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