JJG 738-2024
Taxi meter calibration device (English Version)

Standard No.
JJG 738-2024
Language
Chinese, Available in English version
Release Date
2024
Published By
National Metrological Verification Regulations of the People's Republic of China
Latest
JJG 738-2024
 

Introduction

The National Measurement Verification Regulation (NMVR) for Taximeter Verification Devices, designated as JJG 738-2024 and effective from January 1, 2024, sets forth the technical specifications and procedures necessary for verifying the accuracy of taximeters used in passenger transportation services. This regulation is crucial for ensuring fair trade practices and consumer protection by maintaining the reliability and precision of fare calculation systems across various modes of public transport.

The NMVR JJG 738-2024 outlines detailed requirements regarding environmental conditions, equipment calibration methods, operational testing protocols, and periodic verification schedules. It encompasses considerations for both mechanical and electronic taximeters, addressing their unique characteristics to ensure uniform standards are met across all types of devices in use.

Furthermore, the regulation emphasizes the importance of regular maintenance and inspection cycles, providing guidelines for identifying potential faults or inaccuracies that could affect the functionality of these critical measurement instruments. By adhering to the stringent criteria outlined in this document, stakeholders within the transportation industry can uphold high standards of service quality and operational integrity.

JJG 738-2024 history


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