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 ...

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.

In the fight against harmful noise levels, the SoundPro SE/DL Series can analyze and detect what sound levels are dangerous to the human ear. The series includes advanced handheld sound level meters ...

Product Features Precision Measurement: The POROMETISTO SL01 Decibel Meter delivers professional-grade accuracy ±1.5dB, a wide range of 30 dB to 130 dB, and 0.1dB resolution. Its 31.5Hz to 8kHz ...

The device is a simple, small, and cheap frequency meter with out any hard to find components to be able to measure frequencies up to 40 MHz while having below 1% errors. Most of the analog and ...