17

NF X 10-511

真空技术 — 容积真空泵 — 体积流率 ( 抽速 ) 的测量

Vacuum technology — positive-displacement vacuum pumps — measurement of the volume rate of flow(pumping speed).

18

NF X 10-512

真空技术 — 容积真空泵 — 极限压力的测量

Vacuum technology — positive-displacement vacuum pumps — measurement of ultimate pressure

19

XP X 10-513

真空技术 — 低真空范围内隔膜泵 — 技术参数和验收试验

Vacuum technology — Membrane-pumps in the rough Vacuum range — Technical specifications and acceptance testing.

20

NF X 10-515

真空技术 — 蒸汽流真空泵 — 体积流率 ( 抽速 ) 的测量

Vacuum technology — Vapour vacuum pumps — Measurement of the volume rate of flow (pumping speed).

21

NF X 10-516

真空技术 — 蒸汽流真空泵 — 临界前级压力的测量

Vacuum technology — Vapour vacuum pumps — Measurement of critical backing pressure

22

NF X 10-519

真空技术 — 涡轮分子泵性能参数的测量方法

Vacuum technology — Methods of measurement ofThe performance characteristics of turbo-molecular pumps

23

NF X 10-520

真空技术 — 工业真空系统中压力的测量

Vacuum technology — Pressure measurement in industrial vacuum systems

24

NF X 10-521

真空技术 — 真空计校准 — 用直接比较法

Vacuum technology — Vacuum gauges — Calibration.Method by direct comparison

25

NF X 10-522

真空技术 — 电离真空计校准 — 用直接比较法

Vacuum technology — Ionization vacuum gauges — Calibration by direct comparison.

26

NF X 10-523

真空技术 — 低压计校准的一般方法

27

NF X 10-524

真空技术 — 真空计 — 动态效准法

Vacuum technology — Vacuum gauges — Calibration Dynamic method.

28

NF X 10-525

真空技术 — 热传导型真空计 — 与参照真空计的直接比较校准

Vacuum technology — Vacuum gauges of the thermal Conductivity type — Calibration by direct comparisonwith a reference gauge.

29

NF X 10-530

真空技术 — 质谱检漏仪校准

Vacuum technology — Mass spectrometer-type leak-detector calibration.

30

NF X 10-531

检漏仪氦检漏校准

31

NF X 10-541

真空技术 — 水蒸汽喷射泵验收试验

Vacuum technology — Acceptance tests for steamjet ejectors