Sonometro - 1357 Digital Noise Meter Handy Mini Digital Sound Level Meter Noise Measuring Instrument

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✔ Application --- This equipment has been designed to meet the measurement requirement of healthyty Engineers,Health,In healthyty offices and Sound Quality control in various environment, which include factory,office,traffic,family,and for Audio system.A great little tool great for noise pollution monitoring, home theater setup, health and healthyty compliance, vehicle noise testing, etc - sonometro ✔ LCD Backlight --- Equipped with sponge ball to filter out unwanted . USB data interface for read and saving measurement data on a computer, with LCD backlight for easy reading at darkness ✔ Mini Noise Meter --- This is an easy to use and handy Mini Sound Level Meter. Designed for sound quality control that measures sound level from 30dBA up-130dBA. The working principle is that the sound is converted into an electrical by the microphone, and the value is displayed on the screen ✔ Working Principle --- The noise meter is the most basic and practical instrument in noise measurement. It consists of a condenser microphone, preamplifier, attenuator, amplifier, frequency meter and meter. buttons for easy ope ion and long-term use ✔ Measuring Range --- It has auto range, wide measuring and frequency range (31.5Hz ~ 8.5KHz), maximum hold, Frequency Weighting A and Auto Backlight. ✔ Mini Noise Meter --- This is an easy to use and handy Mini Sound Level Meter. Designed for sound quality control that measures sound level from 30dBA up-130dBA. The working principle is that the sound is converted into an electrical by the microphone, and the value is displayed on the screen ✔ Working Principle --- The noise meter is the most basic and practical instrument in noise measurement. It consists of a condenser microphone, preamplifier, attenuator, amplifier, frequency meter and meter. buttons for easy operation and long-term use ✔ Measuring Range --- It has auto range, wide measuring and frequency range (31.5Hz ~ 8.5KHz), maximum hold, Frequency Weighting A and Auto Backlight.