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A brief classification is given of gaseous injection-valve types, basic parameters, and metrological specifications. The general forms of the commonest working samplers are given. The state test scheme for means of measuring gas volumes with such devices is considered. Translated from Izmeritel'naya Tekhnika, No. 2, pp. 63–65, February, 1997.  相似文献   

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Translated from Izmeritel'naya Tekhnika, No. 7, pp. 30–31, July, 1988.  相似文献   

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Translated from Izmeritel'naya Tekhnika, No. 5, pp. 29–30, May, 1992.  相似文献   

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Translated from Izmeritel'naya Tekhnika, No. 5, pp. 55–57, May, 1989.  相似文献   

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