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. Specifications: Material: ABS Accuracy: ±1.5dB (at the calibration point, 94dB@1KHz) Frequency Response: 31.5Hz~8.5kHz Dynamic Range: 50dB Measure Range: 30~130dBA, 35~130dBC Frequency Weighting: A weighted and C weighting Digital Display: 4 digit Resolution: 0.1dB Sampling Speed: 2 time per second Analog Bar Graph: One bar is 1dB, sample rate is two times per second Overload Alert: OVER or UNDER icon to show the stage AC Signal Output: 0.707V rms at FS, output impedance approx. 600ohm DC Signal Output: 10mV/dB, output impedance approx. 100ohm Time Weighting: Fast/Slow Microphone: 1/2 inch ECM type microphone Operating Temperature & Humidity: 0～40℃, 10%～80%RH Storage Temperature: 10～60℃, 10%～70%RH Power Supply(NOT included): 1 * 9V 6F22 battery or 9V 100mA DC adapter LCD Size: 52 * 43mm / 2.05 * 2.01in Item Size: 221 * 66 * 32.5mm / 8.70 * 2.60 * 1.28in Item Weight: 200g / 7.06oz Package Weight: 261g / 9.23oz Package Size: 24.5 * 9.2 * 5.2cm / 9.65 * 3.62 * 2.05in Package List: 1 * Sound Level Meter 1 * Storage Pouch 1 * 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.
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