What IEC 61672?

61672-1  IEC:2002. – 11 – 1.6 Sound level meters may be designed for use with an operator present or for automatic and continuous measurements of sound level without an operator present. Specifications in this standard for the response to sound waves apply without an operator present in the sound field.

Is niosh SLM accurate?

The NIOSH Sound Level Meter is available to download from the Apple App Store. For Android users, the agency states that because of the large number of available Android devices and models, “testing and verification of the accuracy and functionality of an Android-based app in our laboratory is not currently possible.”

How are noise levels measured?

A decibel is a unit used to measure the intensity of a noise or sound. The most common instrument used for measure noise levels is a Noise Level Meter (also known as a sound level meter). In its most basic form, a noise level meter consists of a microphone, internal electronic components, and a display.

What is a good sound decibel meter?

For an industrial environment where occupational health and safety are important, you can’t go wrong with the REED Instruments R8050. This meter has a dual range sensor that has a consistent 1.5 dB of error – among the best we’ve tested.

How do you read accurate decibels?

Use a professional decibel meter. Though it’s not usually cheap, perhaps the most direct, accurate way to find the decibel level of a sound you with to analyze is to use a decibel meter.

What is an acceptable noise level?

Decibel Level​ Sounds at or below 70 dBA are generally considered safe. Any sound at or above 85 dBA is more likely to damage your hearing over time. Researchers have found that people who are exposed over long periods of time to noise levels at 85 dBA or higher are at a much greater risk for hearing loss.