Sound Level Meters

A sound level meter (SLM) is an electronic instrument designed to measure sound pressure levels in the air, typically expressed in decibels (dB). It uses a microphone to capture sound, an electronic circuit to process the signal, and a display to show the measured level.

Real-time Applications

● Occupational Safety: Monitoring workplace noise to comply with health and safety regulations.
● Environmental Noise Assessment: Measuring traffic, construction, and community noise for environmental impact studies.
● Industrial Equipment Testing: Evaluating machinery noise levels for maintenance and quality control.
● Event Sound Management: Controlling noise levels at concerts, festivals, and public gatherings.
● Product Development: Testing consumer electronics, appliances, and vehicles for acoustic performance.
● Aviation & Transportation: Monitoring airport and railway noise for regulatory compliance.

Levels Of Sound In Decibels (dB)

● Breathing: 10 dB
● Rustling Leaves: 20 dB
● Whispering: 30 dB
● Birdsong: 40 dB
● Moderate Rain: 50 dB
● Conversation: 60 dB
● Vacuuming: 70 dB
● Traffic: 80 dB
● Lawnmower: 90 dB
● Thunderstorm: 100 dB