Насосы вакуумные объемного действия. Измерение рабочих характеристик. Часть1. Измерение объемного расхода (скорости откачки)
Название (англ.):
Positive-displacement vacuum pumps; measurement of performance characteristics; part 1: measurement of volume rate of flow (pumping speed)
Описание (англ.):
The method of determining the volume of gas which flows in unit time through the pump inlet are specified. The considered pumps discharge the gas against atmosphere pressure and achieve a limiting inlet pressure less than 100 pa in one stage.