Decibel Meter 30?130dBA +/-1.5dB Accuracy Backlit LCD Display Data Hold Digital Sound Level Meter

Feature: 1. HIGH ACCURACY: Decibel meter provides accurate sound level readings (decibels or noise) from 30 to 130 decibels with an accuracy of +/-1.5 decibels. Loudness is highly subjective and requires appropriate equipment to determine. 2. WIDE APPLICATION: Sound level meters monitor and record noise levels in your community and outdoor traffic in your area. Check the decibel levels of your cars, blowers, weed whackers, lawn mowers and tractors. 3. ERGONOMIC DESIGN: Digital sound level meter is exquisitely compact and ergonomically designed to feel comfortable in your hand. Ideal tool for finding out if something in or near your workplace is too strong and could cause hearing damage. 4. BACKLIGHT FUNCTION: Noise level meter comes with a light sensitive sensor that automatically turns on the backlight when the ambient luminosity is insufficient, and automatically turns off the backlight when the ambient luminosity is brighter. 5. DATA HOLD: Noise decibel meter supports data hold, press the button, when testing noise can automatically lock the current maximum decibel value and display on the LCD. It also supports locking the minimum value. Specification: Item Type: Decibel Meter Material: ABS Measurement Range: 30?130dBA Accuracy: +/-1.5dB Digit and Resolution: 4 Digits, 0.1dB Frequency Response: 31.5 Hz to 8 KHz Frequency Weighting Characteristics: A (Simulates The Human Ear) Sampling Frequency: 2 Times/Second Microphone: 1/2inch Condenser Microphone Maximum Value Lock Automatic Backlight Display Low Power Display Manual Power Off Battery: 1 x 6F22 9V Battery (Shipped Without Battery) Gross Weight: 128g/4.5oz. Package List: 1 x Decibel Meter(Batteries Not Include)1 x Instruction Manual