The EXAIR Digital Sound Level Meter is used in measuring and monitoring the sound pressure level in industrial environments. This product has the ability to identify the source of hazardous loud noise which can protect the workers, prevent hefty fines and maintain noise levels below the limits displayed in OSHA Standard 29 CFR – 1910.95(a). It is equipped with large LCD display with backlight button to view easily. This has F/S response time button, which gives a choice of slow response measurements for comparatively stable noise measurement. This can measure sound level ranging from 35 dBA to 130 dBA. It has frequency range of 31.5 Hz to 8 kHz and accuracy of 1.5 dBA. The battery life is 50 hours with low battery alert and an automatic power off after 15 minutes of non-use.