STANDARDS
Standards and verification regulations
GB/T test methods, JJG verification regulations and ISO/ASTM international standards for hardness, metallography, dimensional metrology and environmental testing — 44 entries grouped by product line.
JJFNational calibration specification1 项
| Standard | Title | Scope | |
|---|---|---|---|
| JJF 1101 | Calibration Specification for Temperature and Humidity Parameters of Environmental Test Chambers | 校准规范 | Products |
How to use
- Always refer to the currently valid edition. Numbers here omit the year; state the edition year in purchase and acceptance documents.
- JJG are verification regulations used for annual metrology inspection; GB/T are test-method or product standards used for acceptance and test reports.
- Export projects often require ISO 6507/6508 together with ASTM E18/E384; matching calibration certificates ship with the machine.
WeChat
Channels
Douyin