The Extech 407780A Sound Level Datalogger is a professional-grade instrument for measuring, recording, and analyzing sound levels across a wide range of environments. With Class 2 accuracy, it is ideal for occupational noise assessments, environmental monitoring, and compliance with OSHA, EPA, and other safety regulations.
This integrating sound level meter offers fast and slow response times, A and C weighting options, and a datalogging capability to store large volumes of measurement data. The built-in USB interface allows seamless transfer of data to a PC for further analysis, making it efficient for long-term monitoring and report generation. Its clear backlit LCD ensures readability in both low-light and bright field conditions, while its rugged design provides reliability for on-site testing.
Key Features:
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Integrating sound level datalogger with Class 2 accuracy
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USB interface for easy data transfer and analysis
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Wide measurement range for versatile applications
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A & C weighting with fast/slow response options
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Stores up to 32,000 records for long-term monitoring
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Backlit LCD display for clear readings in all conditions
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Tripod mountable for stable measurements
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Battery operated for portable field use
Compatible Applications: Environmental noise monitoring, industrial workplaces, construction sites, occupational health and safety compliance, community noise surveys, and equipment testing.
Included Accessories: Microphone with windscreen, USB cable, software, hard carrying case, and batteries.
Compliance: Meets IEC 61672-1 Type 2 standards, OSHA and EPA noise regulations.
Benefits for Users: Provides accurate, reliable, and compliant sound level measurements, simplifies long-term monitoring with datalogging and USB connectivity, and ensures safer, regulation-compliant workplaces and environments.





