FUYI LCD Digital Noisemeter Sound Level Meter 30-130dB Noise

Want to test the sound level? Need to know the noise level? Try our digital sound level meter. It's featured with wide measuring range (30-130dB). It's portable and easy to use as a handy instrument for sound quality control in factory office home school and construction site.Features:LCD display with switchable backlight for easy reading convenient to use.Wide measurement range from 30dB to 130dB Frequency: 31.5Hz - 8KHz Resolution: 0.1dB Accuracy: 1.5dB.FAST and SLOW response selection.With maximum/minimum value measurement and data hold function.Low battery indication automatic manual power off function.Equipped with sponge ball. Compact and light convenient to hold and carry.Portable and easy to use suitable for checking monitoring or controlling the sound level for personal families business studies industrial etc.Specifications:Material: ABS plasticColor: Black + GreenFrequency Weighting: AFrequency Response: 31.5Hz 8KHzLevel Range: 30dB?130dBResolution: 0.1dBResponse Time: 125ms(FAST) 1000ms(SLOW)Overload Indication: ?30dB (UN display) ?130dB (OL display)Accuracy: 1.5dB (@1KHz standard source) one-year calibration periodAuto Power Off: Auto shout down after approx 10 minutes of inactivityLow Battery Indication: 6VSensor: 1/2 inch electret condenser microphoneOperating Temperature: 0?40? / 32?104? (45%?85%RH)Storage Temperature: -20?60? / -4?140? (45%?85%RH)Power Supply: 1 * 9V 6F22 battery(NOT included)Item Size: Approx. 180 * 53.8 * 35mm / 7.09 * 2.12 * 1.38in(L*W*H)Item Weight: Approx.135g / 4.77ozPackage Weight: Approx. 225g / 7.93ozPackage Size: Approx. 22.5 * 8 * 4.5cm / 8.86 * 3.15 * 1.77inPackage List:1 * Sound Level Meter1 * Storage Pouch1 * User Manual(English)Note:When measuring the noise in outdoors please put a sponge ball on the microphone head to prevent the microphone from being blown directly to cause airflow noise.