GB/T 21155-2015
ActiveEarth-moving machinery—Machine-mounted audible travel alarms and forward horns—Test methods and performance criteria
土方机械 行车声响报警装置和前方喇叭 试验方法和性能准则
Application Summary AI generated
This standard specifies test methods and performance criteria for audible travel alarms and forward horns installed on earth-moving machinery. It is applied to ensure these warning devices meet minimum sound level and operational requirements for safety in construction, mining, and other off-road work environments. The standard is used by manufacturers and testing bodies to verify compliance during product development and type approval.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.