GB/T 19956.2-2005
Positive-displacement vacuum pumps.Measurement of performance characteristics.Part 2:Measurement of ultimate pressure (English Version)
- Standard No.
- GB/T 19956.2-2005
- Language
- Chinese, Available in English version
- Release Date
- 2005
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 19956.2-2005
- Replace
- JB/T 7266-1994
- Scope
- This part of GB/T 19956 specifies the measurement method for the ultimate pressure of positive displacement vacuum pumps. The pumps under study are directly exhausted to the atmosphere and have a single stage with an inlet ultimate pressure lower than 100Pa.
GB/T 19956.2-2005 Referenced Document
- GB/T 19956.1-2005 Positive-displacement vacuum pumps.Measurement of performance characteristics.Part 1:Measurement of volume rate of flow (pumping speed)
GB/T 19956.2-2005 history
- 2005 GB/T 19956.2-2005 Positive-displacement vacuum pumps.Measurement of performance characteristics.Part 2:Measurement of ultimate pressure
GB/T 19956.2-2005 Positive-displacement vacuum pumps.Measurement of performance characteristics.Part 2:Measurement of ultimate pressure has been changed from JB/T 7266-1994 Method for Measuring the Performance of Positive Displacement Vacuum Pumps.
