cn-jjg
National Metrological Verification Regulations of the People's Republic of China Standards
Browse all standards published by National Metrological Verification Regulations of the People's Republic of China.
Standards by National Metrological Verification Regulations of the People's Republic of China
JJG 806-2026
JJG
Verification Rules for Ultrasound Therapy Equipment
This document establishes the metrological verification requirements for ultrasonic physiotherapy equipment. It defines the essential conditions and technical indicators necessary to assess the
JJG 1189.1-2026
JJG
Rules for Verification of Instrument Transformers for Measurement - Part 1: Standard Current Transformers
This specification outlines the mandatory requirements for verifying measuring instrument transformers, specifically focusing on standard current transformers as the first part of a broader series.
JJG 1078-2026
JJG
Code of Verification for X-ray Radiation Source of Digital Radiography (DR) Systems
This document establishes the mandatory verification procedures for X-ray radiation sources utilized within medical digital radiography systems. It defines the fundamental technical requirements and
JJG 2099-2026
JJG
Table of Calibration System for Frequency Voltage Proportioning Measuring Instruments
This document establishes the comprehensive framework for verifying measurement instruments dedicated to power-frequency voltage ratio calibration. It defines the structural requirements, performance
JJG 1189.9-2026
JJG
Verification Regulation of Instrument Transformers—Part 9:DC Immune Current Transformers
This technical document specifies the metrological verification requirements and procedures for a specialized type of measuring instrument designed to evaluate the performance of current transformers
JJG 1189.8-2026
JJG
Verification Regulation of Instrument Transformers—Part 8:Wide Range Current Transformers
This document establishes the foundational metrological requirements for verifying measuring instrument transformers, specifically focusing on the specialized category of wide-range current
JJG 1189.2-2026
JJG
Verification Regulation of Instrument Transformers—Part 2:Standard Voltage Transformers
This document establishes the fundamental metrological requirements and verification procedures for standard voltage transformers utilized in measurement systems. The regulations outline the
JJG 543-2026
JJG
Specifications for verification of electrocardiograph
This technical document establishes the fundamental metrological requirements and verification procedures for electrocardiograph devices used in medical diagnostics. It defines the essential
JJG 596-2026
JJG
Regulations for the verification of installed-type alternating current energy meters
This specification establishes the fundamental metrological requirements and verification procedures for installed alternating current energy meters. It defines the necessary test environments,
JJG 1212-2026
JJG
Verification regulations for box-type ultrasonic flumes flow meters
This technical specification establishes the metrological verification methods for box-type ultrasonic open-channel flowmeters. It defines the fundamental principles, structural requirements, and
JJG 2015-2026
JJG
Pulse Waveform Parameter Measurement Instrument Calibration System Table
This technical document establishes a systematic framework for the calibration and verification of instruments measuring pulse waveform parameters. It defines the essential requirements for
JJG 214-2025
JJG
Verification Regulation of Viscometers of Roll‑Down Ball Type
This standard provides detailed procedures and requirements for the calibration of rolling ball viscometers. It outlines the necessary conditions, methods, and equipment to ensure accurate and
JJG 694-2025
JJG
Verification procedures for atomic absorption spectrophotometers
This standard provides detailed procedures and requirements for the calibration and verification of atomic absorption spectrophotometers. It outlines the necessary conditions, equipment, and methods
JJG 946-2025
JJG
Verification procedures for pressure tide gauges
This standard provides detailed guidelines for the calibration of pressure tide gauges. It outlines the procedures, equipment requirements, and measurement techniques necessary to ensure the accuracy
JJG 2098-2025
JJG
Verification Scheme of Measuring Instruments for DC Electrical Energy
This standard establishes the procedures and requirements for the calibration of direct current energy measuring instruments. It outlines the methods and conditions necessary to ensure the accuracy
JJG(交通) 103-2012
JJG
V.R. of LED Luminous Intensity Tester
JJG2075-2024
JJG
Capacitance measuring instruments
This standard provides specifications for the calibration and verification of capacitive measuring instruments. It outlines the procedures, requirements, and methods necessary to ensure the accuracy
JJG 1208-2025
JJG
Verification Regulation of Associative (selective combination) weighers
This standard provides detailed guidelines for the calibration and verification of combined weighing instruments. It outlines the procedures, requirements, and methods necessary to ensure the
JJG 688-2025
JJG
Verification Regulation of Vehicle Exhaust Emissions Measuring Instruments
This standard provides detailed procedures and requirements for the calibration of automotive emission gas testing instruments. It outlines the technical specifications, testing methods, and
JJG 207-2025
JJG
Verification Regulation of Meteorological Liquid-in-glass Thermometers
This standard provides detailed guidelines for the calibration of glass liquid thermometers used in meteorological applications. It outlines the procedures, equipment, and conditions necessary to