09/30176359 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
BS ISO 21360-2 - VACUUM TECHNOLOGY - STANDARD MEASUREMENTS FOR MEASURING VACUUM PUMPS PERFORMANCE - PART 2: POSITIVE DISPLACEMENT VACUUM PUMPS
Hardcopy , PDF
31-05-2012
English
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Test methods
5.1 Measurement of the volume flow rate
5.1.1 Measurement methods
5.1.2 Throughput method
5.1.3 Pump down method
5.1.4 Operating conditions
5.2 Measurement of the base pressure
5.3 Measurement of water vapour tolerance
5.4 Determination of the power consumption
5.4.1 General
5.4.2 Measuring conditions
5.4.3 Measuring procedure
5.5 Start at the lowest start up temperature,
Annex A (informative) - Measurement of the water vapour
tolerance
A.1 Measurement of the water vapour tolerance
A.1.1 General
A.1.2 Experimental set-up
A.1.3 Determination of the water vapour tolerance
A.1.4 Measuring procedure
A.1.5 Evaluation of the measurements
A.1.6 Measuring uncertainties
Annex B (informative) - Calculation of the water vapour
tolerance
Annex C (informative) - Table of the saturation vapour
pressure of water
Bibliography
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