Standards

JJG(民航) 019-1995 Verification Regulation for Course Compass Test Bench"ПB-5"

Publish Date: 1995-11-13

JJG(民航) 020-1995 Verification Regulation for Course Coupler Test Bench"ПB-105"

Publish Date: 1995-11-13

JJG 2093-1995 Measuring Instruments for Common Temperature Blackbodies

The present verification system table specifies the national reference standards for blackbody radiation at room temperature, the standard blackbody radiation, the standard infrared radiation sources, and the transfer relationships of measurement values among various infrared radiation measuring instruments, as well as the verification methods and uncertainties.
Note: Since 2003, the original "Metrology Verification System" has been collectively referred to as the "Metrology Verification System Table".
This verification system table is applicable to the transfer and measurement of various measurement values, such as total radiation brightness, total radiation illuminance, total radiation temperature, and effective emissivity, of infrared radiation sources and infrared radiation meters.

Publish Date: 1995-10-19

JJG 901-1995 Electron Probe Microanalyzer

This procedure is applicable to the verification of newly manufactured, in-use, and repaired electron probe analyzers (hereinafter referred to as electron probes), and also to the verification of scanning electron microscopes equipped with spectrometers that have elemental analysis capabilities.

Publish Date: 1995-10-19

JJG 902-1995 Partical Size Meter by Photosedimentation

This procedure is applicable to the verification of newly manufactured, in-use, and repaired light transmission sedimentation particle size measuring instruments (hereinafter referred to as "instruments").

Publish Date: 1995-10-19

JJG 903-1995 Standard Attenuators for Laser

Publish Date: 1995-10-19

JJG 898-1995 Microhardness Testing Machine in International Rubber Hardness Degree

This procedure is applicable to the verification of newly manufactured, in-use, and repaired miniature rubber international hardness testers.

Publish Date: 1995-08-11

JJG 807-1993 Verification Regulation of Measuring Instruments Utilizing Radioactive Sources

Publish Date: 1993-01-27

JJG 2023-1989 Measuring Instruments for Manometers

Publish Date: 1989-08-15

JJG 628-1989 Direct Reading Current Meter Model SLC 9

This procedure is applicable to the verification of the newly manufactured, in-use, and repaired SLC 9 direct-reading current meters (hereinafter referred to as current meters). Other direct-reading current meters can also be verified in accordance with this verification procedure.

Publish Date: 1989-08-15

JJG 629-1989 Polycrystalline X-ray Diffractometer

This procedure is applicable to the verification of newly manufactured, in-use, and repaired polycrystalline X-ray diffractometers (hereinafter referred to as "instruments").

Publish Date: 1989-08-15

JJG 298-2005 Mid-frequency standard vibrator (comparison method)

Publish Date: 1970-01-01