Standards

JJG 36-1989 Verification Regulation of Bore Dial Indicator

Publish Date: 1999-11-12

JJG 31-1987 Verification Regulation of Vernier Height Gauge

Publish Date: 1999-11-12

JJG 32-1987 Verification Regulation of Vernier Depth Gauge

Publish Date: 1999-11-12

JJG 74-1992 Verification Regulation of selfbalance Display Instruments

Publish Date: 1999-11-12

JJG 211-1989 Verification Regulation of Iuminance Meter

Publish Date: 1999-11-12

JJG(石油) 07-1999 Checking regulations for mechanical underground pressure gauges

Publish Date: 1999-11-11

JJG 31-1999 Height Caliper

Publish Date: 1999-10-18

JJG 291-1999 Film Electrode Dissolved Oxygen Meter

Publish Date: 1999-10-18

JJG 201-1999 Verification Regulation of Tester for Dial Indicator Gauges

Publish Date: 1999-09-06

JJG 692-1999 Digital Electronic Sphygmomanometer(Static)

Publish Date: 1999-09-06

JJG 114-1999 Beckmann Thermometers

This procedure is applicable to the initial verification, subsequent verification, and in-use inspection of standard Becker thermometers and operational Becker thermometers with a measurement range of (-20 to +125) ℃, a measurement temperature difference of no more than 5 ℃ or 6 ℃, and a scale division of 0.01 ℃.

Publish Date: 1999-05-14

JJG 115-1999 The Standard Copper/Copper-Nickel Thermocouple

This procedure is applicable to the initial verification, subsequent verification, and in-use inspection of standard copper-nickel (Kanthal) thermocouples (hereinafter referred to as thermocouples) with a measurement range of -200 ℃ to 100 ℃.

Publish Date: 1999-05-14