This sound frequency meter circuit is simple to build and can be constructed in a portable format. In can measure frequencies with a minimum level of 10 mVrms and a maximum frequency of up to 100kHz.

Sound is pressure — the louder the sound, the greater the pressure. The greater the pressure, the more damage it can do to your ears. If you’re in a noisy environment, it’s important to know how ...

br>In addition to the new limits for occupational noise, many safety officers now have to deal with environmental noise issues, increasing the need for a dual purpose measurement tool that can cope ...

With a high-contrast TFT-LCD color display, the handheld RION NA-28 sound-level meter and real-time analyzer simultaneously measures and displays 1/3 and 1/1 octave bands. It can also store up to ...

Scientists in China have developed a new tech that can reportedly help detect a low-frequency sound source originating from the extreme depths in waters. Developed by scientists at Harbin Engineering ...

An instrument for measuring the level of sound pressure in decibels. Such measurements are called Sound Level readings. See: Sound Level. Sound level meters usually ...