JJG 818-2005
Magnetic and Eddy Current Measuring Instrument for Coating Thickness (English Version)
- Standard No.
- JJG 818-2005
- Language
- Chinese, Available in English version
- Release Date
- 2005
- Published By
- National Metrological Verification Regulations of the People's Republic of China
- Status
- 2019-06
- Replace By
- JJG 818-2018
- Latest
- JJG 818-2018
- Replace
- JJG 889-1995 JJG 818-1993
- Scope
- This procedure applies to the initial calibration, subsequent calibration and in-use inspection of magnetic (magnetoresistive and magnetic) coating thickness measuring instruments and eddy current coating thickness measuring instruments (hereinafter collectively referred to as thickness gauges).
JJG 818-2005 Referenced Document
- GB/T 4956-2003 Non-magnetic coatings on magnetic substrates--Measurement of coating thickness-Magnetic method
- GB/T 4957-2003 Non-conductive coatings on non-magnetic basis metals--Measurement of coating thickness-Eddy current
- JJF 1001-1998 General Terms in Metrology and Their Definitions
- JJF 1059-1999 Evaluation and Expression of Uncertainty in Measurement
- JJF 1094-2002 T.S. for Evaluation of the Characteristics of Measuring Instruments*， 2024-04-18 Update
JJG 818-2005 history
- 2019 JJG 818-2018 Verification regulations for magnetic and eddy current coating thickness measuring instruments
- 2005 JJG 818-2005 Magnetic and Eddy Current Measuring Instrument for Coating Thickness
- 1993 JJG 818-1993 Verification Regulation of Eddy Current Interferometer for Measuring Thickness
JJG 818-2005 Magnetic and Eddy Current Measuring Instrument for Coating Thickness has been changed from JJG 889-1995 Verification Regulation of Magnetic Resistance Thickness Gauge.
