Standards

JJG 186-1997 Moving Coil Indicators and Step-indication Controllers Associated for Measuring Temperature

This procedure is applicable to the verification of newly manufactured, in-use, and repaired magnetic-electric moving coil temperature indicators and indicator-type regulating instruments (hereinafter referred to as instruments) used with thermocouples and thermoresistors, as well as the verification of other moving coil instruments that convert physical parameters into electrical signals such as voltage (millivolt) or resistance. This includes directly acting and moving coil indicator-regulating instruments with preamplifiers.

Publish Date: 1997-10-24

JJG 190-1997 Electrodynamic Vibration Generator for Testing

This regulation applies to the inspection of newly manufactured, in-use, and repaired electric vibration test benches (hereinafter referred to as "vibration test benches") with a rated sinusoidal thrust of less than 100 kN.

Publish Date: 1997-09-01

JJG 251-1997 Distortion Meter Calibrator

This procedure is applicable to the calibration of harmonic distortion meters (referred to as distortion meters) that are newly manufactured, in use, or repaired, with a fundamental frequency range of 2 Hz to 200 kHz and a distortion measurement range of 01% to 100%.

Publish Date: 1997-09-01

JJG 737-1997 0 Hz～30 MHz Variable Attenuator

This procedure is applicable to the verification of newly manufactured, in-use, and repaired variable attenuators operating in the frequency range of 0Hz to 30 MHz.

Publish Date: 1997-06-27

JJG 678-1996 Catalysis Combustion Type Methane Measuring Device

Publish Date: 1996-11-21

JJG 916-1996 Gas-Sensitive Chromatograph for Measuring Trace Hydrogen

This procedure is applicable to the verification of newly manufactured, in-use, and repaired gas-sensitive chromatograph trace hydrogen analyzers (including industrial and medical-grade trace hydrogen analyzers).

Publish Date: 1996-11-19

JJG 543-1996 Electrocardiograph and Electroencephalograph

Publish Date: 1996-11-12

JJG 566-1996 Vemier Caliper for Coil of Generator

Publish Date: 1996-08-06

JJG 463-1996 Melting-Point-Measuring Instruments with Thermo-Micro-Method

Publish Date: 1996-05-29

JJG 555-1996 General Verification Regulation for Nonautomatic Weighing Instrument

Publish Date: 1996-05-24

JJG 271-1996 Digital Display Tester for Dial Indicator

Publish Date: 1996-04-22

JJG(铁道) 155-1995 Magnetic Partical Teste

Publish Date: 1996-01-16