Description
Features:
- Bar-graph display
- Data storage and data hold
- Measuring level selection and time weighting level selection.
- Max/min reading.
- Backlit display
Applications:
Sound level meters are commonly used in noise pollution studies for thequantification of different kinds of noise, especially for industrial, environmentalmining?? and aircraft noise.
Measuring Principle:
Sound level meter measures the sound level in logarithmic scale. There is a diaphragm in the microphone which responds to changes in air pressure caused by sound waves. This sound pressure is converted into logarithmic scale and displayed.
