ECVV Sound Level Meter Portable Digital Noise Meter Tester with LCD Backlight Display Decibel Meter with Data Record Function Measuring Range 30~130dBA

INTRODUCTION: Sound level meter, also called noise meter, is an instrument used to measure sound pressure level or sound level. It is the most basic and most commonly used instrument in acoustic measurement. Nowadays, people are increasingly pursuing the improvement of the quality of life. There is a kind of pollution called sound pollution. When the sound level reaches a certain intensity, it will have a bad impact on people’s lives and even their health.Therefore, the sound level meter can help people know whether the sound of their environment exceeds the safe value in time. FEATURES: [HOLD , MAX & MIN, AUTO POWER OFF, BACKLIT] – Including all useful features such as data hold, max recorded reading and min recorded reading as well as auto power off. Backlit feature allows use of this meter in the dark. [Sensitive Sensor] 0.5s response time, no contact. Can measure noise level under any circumstances, quickly display accurate measurement result. [EASY And Alarm Function] - Su