Standards

JJG 541-2005 Falling Body Type Shock Testing Machines

This procedure is applicable to drop-type impact test benches (hereinafter referred to as impact test benches) used for environmental testing, with a maximum load of less than 300kg, and a basic impact waveform of half-sine wave, post-peak sawtooth wave, and trapezoidal wave. The peak acceleration shall not exceed 30,000m/s2, and the corresponding impact pulse duration shall be not less than 0.02ms. This procedure is used for the initial verification, subsequent verification, and in-use inspection of the impact test benches.

Publish Date: 2005-04-28

JJG 738-2005 Standard Equipment for Taximeter

This regulation applies to the initial inspection, subsequent inspections, and in-use testing of standard devices for taximeters in all types of rental cars.

Publish Date: 2005-04-28

JJG 778-2005 Noise Level Statistical Analyzers

This procedure is applicable to the initial verification, subsequent verification, and in-use inspection of Level 1 and Level 2 noise statistical analyzers.

Publish Date: 2005-04-28

JJG 117-2005 Surface Plates

This procedure is applicable to the initial inspection, subsequent inspections, and in-use inspections of cast iron plates and rock plates.

Publish Date: 2005-03-03

JJG 147-2005 Metallic Brinell Hardness Reference Blocks

This procedure is applicable to the initial verification, subsequent verification, and in-use inspection of standard metal Brinell hardness blocks.

Publish Date: 2005-03-03

JJG 165-2005 Standard Bell Porvers of Gas Flow

This procedure is applicable to the initial verification, subsequent verification, and in-use inspection of bell-type gas flow standard devices (hereinafter referred to as the devices).

Publish Date: 2005-03-03

JJG 211-2005 Luminance Meter

This procedure is applicable to the initial verification, subsequent verification, and in-use inspection of luminometers (including color luminometers). The requirements for metrological performance in the type-approval and prototype testing of luminometers can be implemented in accordance with this procedure.

Publish Date: 2005-03-03

JJG 288-2005 Deep Sea Reversing Thermometers

Publish Date: 2005-03-03

JJG 289-2005 Bucket Thermometers

This procedure is applicable to the initial verification, subsequent verification, and in-use inspection of surface water temperature gauges.

Publish Date: 2005-03-03

JJG 621-2005 Hydraulic Jack

This procedure applies to the initial inspection, subsequent inspections, and in-use testing of hydraulic jacks equipped with indicating devices (hereinafter referred to as "jacks").

Publish Date: 2005-03-03

JJG 704-2005 Callipers for Welding Inspection

This procedure is applicable to the initial verification, subsequent verification, and in-use inspection of welding gauges.

Publish Date: 2005-03-03

JJG 462-2004 Secondary Standard Ionization Vacuum Gauges

This procedure is applicable to the initial verification, subsequent verification, and in-service inspection of Class II standard ionization vacuum gauges with a measurement range of (5×10-4 to 1×10-1) Pa.

Publish Date: 2004-09-21