I recently purchased a sound meter for my industrial workshop needs and I must say this meter really impressed me. According to my experience, it is very easy to use with its backlight and frequency weighting options. It provided accurate readings and helped me identify noise levels that were potentially hazardous. The only downside I found was the size of the device, as it could be a little bulky to carry around. Overall, this sound meter is a great purchase for anyone in the industrial and scientific field looking for an effective tool to measure noise levels.