JJG 680-2007
Samplers for Stack Dust (English Version)
- Standard No.
- JJG 680-2007
- Language
- Chinese, Available in English version
- Release Date
- 2007
- Published By
- National Metrological Verification Regulations of the People's Republic of China
- Status
- 2022-01
- Replace By
- JJG 680-2021
- Latest
- JJG 680-2021
- Replace
- JJG 680-1990
- Scope
- This procedure is applicable to the initial calibration, subsequent calibration and in-use inspection of smoke samplers with a sampling flow rate within 60L/min, an exhaust gas flow rate range (5-30) m/s, and a filter-weighing method used to determine the smoke concentration in the gas.
JJG 680-2007 Referenced Document
- HJ/T 48-1999 Technical conditions of sampler for stack dust
- JJF 1001-1998 General Terms in Metrology and Their Definitions
- JJF 1015-2002 General Norm for Pattern Evaluation and Pattern Approval of Measuring Instruments*， 2024-04-18 Update
JJG 680-2007 history
- 2021 JJG 680-2021 Samplers for Stack Dust
- 2007 JJG 680-2007 Samplers for Stack Dust
- 1990 JJG 680-1990 Verification Regulation of Measuring Apparatus for Dust Contentin Stack
