SL510-en-GB_V1.0 8/17
Introduction
Thank you for selecting the Extech Model SL510. The SL510 measures sound levels in decibels. This
device is shipped fully tested and calibrated and, with proper use, will provide years of reliable
service. Please visit our website ( ) to check for the latest version and translations
of this User Manual, Product Updates, Product Registration, and Customer Support.
Features
• Standard 0.5” microphone head
• A/C frequency weighting
• LCD with backlight
• Light weight, compact design
• Wristlet for convenient, one-handed operation
Safety
Please read the entire Quick Start and User Manual before operating this device. Use the meter
only as specified and do not attempt to service or open the meter housing. Do not allow children to
handle the meter or the windscreen. Please dispose of batteries and meter responsibly and in
accordance with all applicable laws and regulations.
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