GB/T 45321-2025 Active National standards

GB/T 45321-2025 Measuring method for electric and photometric parameters of filament light sources for power-driven vehicles

Publish Date: 2025-02-28 Implement Date: 2025-09-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 45321-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Lighting and signaling equipment

ICS Name: Lighting, signaling, and warning equipment

Publish Date: 2025-02-28

Implement Date: 2025-09-01

Pages: 24 pages

Scope

This document specifies the electrical parameters, total luminous flux, and colorimetric coordinates of filament light sources used in motor vehicles, as well as the measurement principles, instrumentation, measurement conditions, measurement steps, data processing, and test reports.
This document applies to filament light sources (hereinafter referred to as "light sources") used in motor vehicle road lighting and optical signal devices and systems. Other filament light sources used in road vehicles should refer to this document for implementation.