Cirrus Research, a leading provider of noise measurement instruments, has announced an updated version of its popular Quantum Outdoor product.
Quantum Outdoor now with even more features
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Methods for selecting hearing protection
In addition to using octave band filters to measure noise levels in specific frequency ranges, there are also other methods for correctly selecting hearing protection. One such method is the “Hearing Protection Rating Method” (HML), which is a standardized method for evaluating the performance of hearing protectors. The HML method assigns a single number rating […]
What is an Octave Band Filter?
An Octave Band Filter is a device that separates sound into different frequency bands, which allows for the measurement of noise levels in specific frequency ranges. This is useful in noise dosimetry because it allows for the assessment of noise exposure levels for different frequencies, which can aid in the prescription of appropriate hearing protection. […]
New Noise Meter Calibration Center for North America and South America
September 1, 2022 – Acoustic instrument specialists Cirrus Research have extended their professional partnership with NoiseMeters Inc today and announced a new noise meter calibration center for both North and South America. NoiseMeters Inc is our exclusive instrument retailer in the USA, and this announcement today cements our relationship further by making them our preferred […]
