This SAE Standard sets forth the instrumentation and procedure to be used in measuring the exterior sound pressure levels for self-propelled off-road work machines as defined in sections 1, 3, 5 and 6 of SAE J1116. This document does not address the operation of safety devices such as backup alarms, horns, or accessories. The sound levels obtained by using the test procedures set forth in this document are repeatable and are representative of the higher range of sound levels generated by machines under actual field operating conditions. Due to the variability of field operating conditions, this data is not intended to be used for construction site boundary noise evaluations.
Rationale
The test method defined within SAE J88 has been developed and used for nearly than 40 years. The last update to SAE J88 was in 2006 which updated references to align with modern standards. With no changes in the test method or references, SAE J88 should be stabilized.
OPTC3 addresses standards related to sounds, lighting and marking for off-road, self-propelled work machines, and equipment. This committee reports to ConAg Council through OPTC. ConAg Council covers machines described in SAE J1116 which includes machines defined in ISO 6165, ISO 6814, and ISO 22242, with regards to activities supporting; • Creating consensus SAE standards, recommended practices, and information reports • Harmonizing relevant SAE documents with ISO documents • Assisting the US with the creation and maintenance of ISO standards through US TAGs o ISO/TC 127 --- Earth-moving machinery o ISO/TC 195 --- Building construction machinery and equipment o ISO/TC 23/SC 15 --- Machinery for forestry Participants in this committee include OEMs, suppliers, consulting firms, government, and others across the construction and forestry industries.
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Sound Measurement - Off-Road Work Machines - Exterior
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Sound Measurement - Off-Road Work Machines - Exterior
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