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3M Sound Detector SD-200 Kit, USB Cable, Windscreen 1 Kit/Case

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Key Features

  • Light and portable hand-held sound level meter provides accurate readings on-the-go
  • Digital display provides minimum, maximum and average decibel level (sound pressure level) readings that help workers make informed decisions about hearing protection
  • Tri-color visual LEDs flash brightly when preset noise levels are reached
  • Intuitive interface offers easy out-of-the-box operation
  • Averaging functionality helps provide sound level readings in environments where noise levels are highly variable

Package Details

Shipping Weight: 0.75 pounds
Package Size: 8.7 x 7.3 x 2.2 inches

Product Description

Compact, lightweight sound level meter designed for the measurement of workplace noise levels to determine the degree of hearing protection that may be required. LED Alert screen provides a quick visual reference of sound levels. Rechargeable lithium polymer battery.

From the Manufacturer

3M™ Sound Detector SD-200 helps workers assess the need for hearing protection in noisy environments. A digital display shows the minimum, maximum and average decibel level (sound pressure levels) to help workers make informed decisions about hearing protection. Tri-color LED lights in green, yellow and red flash brightly when preset noise levels are reached, helping workers determine when hearing protection may need to be worn. Green LED flashes when noise measurements are between 80 and 85 dB. Yellow LED flashes when noise measurements are between 85 and 105 dB. Red LED flashes when noise measurements are above 105 dB. The device includes an averaging function that provides readings in highly variable environments, meaning the digital display of the decibel reading will not erratically jump around in environments where noise levels are highly variable. This function helps improve readability of the display.

Simple four-button navigation performs all functions, requiring little to no training for staff. This light and portable hand-held sound level meter comes ready to take measurements right out of the box with no configuration necessary. A lithium polymer battery provides up to 50 hours of use between charges. This rechargeable battery reduces the cost and disposal of replaceable batteries.

This detector is industry compliant, meeting applicable ANSI and IEC Class 2 standards. Specific standards include ANSI S1.4 1983 (R 2006), ANSI S1.43 1997 (r 2007), IEC 61672-1 (2002) and IEC 61010-1 (2010). The device delivers consistent performance with accurate, actionable readings.

Exposure to loud noises can adversely affect the ability to hear over time. Wearing proper hearing protection devices can help in reducing the harmful effects of noise. Sounds levels are expressed in decibels, often abbreviated as dB. Higher decibel numbers indicate louder sounds. Typical decibel levels associated with common sounds include: outdoors with no people or traffic 20 dB, normal conversation 60 dB, power lawn mower 90 dB, chain saw 110 dB, and 12-gauge shotgun 165 dB.

For more than a century, 3M has applied innovation and technology to improving our customers’ lives and supporting their business goals. Today the company, from its headquarters in St. Paul, Minnesota, serves industrial and commercial customers and consumers in nearly 200 countries. Personal Safety products, focused on worker safety, include respirators, hearing-protection products, air-monitoring devices, environmental-safety products, and comprehensive training programs. The 3M brand, across thousands of products, represents consistency, superior quality, and value.

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Important Information

Legal Disclaimer

3M personal protective equipment sold through Amazon's Industrial and Scientific Department is only intended for US occupational workplace use. This 3M personal protective equipment must be used in compliance with the Occupational Safety and Health Administration (OSHA) Personal Protective Equipment (PPE) standard (29 CFR 1910.132) and all other applicable health and safety standards, as well as all user instructions, warnings and limitations accompanying each product. It is essential that all product user instructions and government regulations on the use of each product be followed in order for the product to help protect the wearer. Misuse of personal protective equipment may result in injury, sickness, or death. For correct product selection and use, individuals should consult their on-site safety professional or industrial hygienist. For additional product information, visit

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