Bouncy Balls – Manage classroom noise with bouncing balls!
A free classroom noise level meter, monitor and management tool. Perfect if your school kids are too noisy! Bouncing balls react to sounds from the microphone.
Keep the volume down with this Sound level - Classroomscreen
Discover the Sound level widget, your ultimate ally in noise management. Whether you're aiming for serene silence during study time or controlled chaos during group activities, this noise level meter you covered.
Sound level meter - Wikipedia
A sound level meter (also called sound pressure level meter (SPL)) is used for acoustic measurements. It is commonly a hand-held instrument with a microphone. The best type of microphone for sound level meters is the condenser microphone, which combines precision with stability and reliability. [1]
Free Online Loudness and Sound Meter by Youlean
Measure sound loudness levels by using a microphone on your phone, laptop or desktop computer. Measure a true perceived loudness or use old SLP algorithm. Get exact ITU loudness measurements from audio files.
Amazon.com: Sound Level Meter
Decibel Meter, TS-501A Sound Level Meter with 2.25” Backlight LCD Screen, Portable SPL Meter with A Weighted, Range 30-130dB, Data Hold, MAX/MIN, Use for Home, Noisy Neighbor, Factory - Orange
5 Best Sound Level Meters - Jan. 2025 - BestReviews
2021年11月1日 · A sound level meter (SLM) uses a microphone containing a sensitive diaphragm to measure changes in the air pressure. The information is converted to an electrical signal, interpreted by a microprocessor, and delivered to a display.
3 Best Decibel Meters for Measuring Sound Levels [2024 Updated]
2023年12月13日 · These tools measure sound levels in decibels (dB), essential for protecting hearing in noisy settings, complying with noise regulations, and assessing sound quality in different environments. We’ve rigorously tested various decibel meters to find the best in terms of precision, user-friendliness, and functionality.
Digital Sound Level Meter Fluke 945 | Fluke - Fluke Corporation
An essential industrial sound measurement decibel meter, the Fluke 945 digital sound level meter measures general noise sound level and acoustic material control in construction, factory and other environments.
Amazon.com: Sound-level Meter
PT6708 Sound Level Meter, Digital Decibel Reader Measurement, Range 30-130 dB, Accuracy 1.5dB Noise Meter with Large LCD Screen Display, Fast and Slow Selection (Batteries Include) 4.5 out of 5 stars 693
Extech 407730 Digital Sound Level Meter 40-130dB, White
2006年3月8日 · Economical meter measures sound decibel levels for a variety of workplace situations including workplace machinery monitoring and audio/alarm system checks. Meter features a 40 to 130 dB adjustable measuring range …
- 某些结果已被删除