Decibel Meter, Digital Sound Level Meter 30-130 dB(A), Portable SPL Meter with Backlight LCD Display, Audio Noise Measure Device with MAX/MIN, Data Hold, Flashlight for Home Factory Office

【High Accuracy】Mastfuyi decibel meter uses a precise electret condenser microphone to capture sound, measures sound level 30-130 dBA. Highly accurate with ±1.5 dB, Frequency from 31.5Hz to 8,000KHz
【Fast/Slow Measurement】The Fast-Weighting mode uses a constant of 0.125s/time, which is suitable for measuring the sound level in real time in general environment; The Slow-Weighting mode uses a 1s/time constant, which is suitable for environmental measurements with rather large changes in noise levels. Widely applicable for personal, families, business, studies, industrial and and so on
【Digital LCD Color Display with Backlight】Features a backlight LCD screen with a resolution of 0.1 dB, easy to read; A sound level analog bar is displayed on the screen as visual alerts; Low battery indicator remind the user to replace the batteries in time
【Multifunction】 MAX/MIN hold function to lock the maximum/minimum value, and Data Hold function to freeze the current readout, easy to read and record data; ; 10 minutes auto power off to save power; Flashlight to be used at night
【Ergonomic & Lightweight Design】 Only 4.8oz, Light in weight and compact in size, which is easy to carry. The lightweight design allows long-time operation with less muscle fatigue. The compact design ensures the noise meter fits into your hand comfortably. The anti-slip and rubberized sides be certain that the decibel meter is easy to hold. Features a 1/4″ mount thread for attachment to a stand, in the case of sound level measurement in different environments
【Calibration】Step 1: Press SLOW/FAST button, Flashlight/HOLD button and power switch button on the same time and then release the buttons to go into the calibration mode. long press the SLOW/FAST button to save the data after stabilization. Step 2: Set the usual source device to 94dB, then align the meter to the usual source device, stay up for the meter reading to stabilize at 94dB, press the SLOW/FAST button to save, and then press the power switch button to restart the device that the calibration is complete.
【48-Month Warranty】 We provide 48 months unconditional warranty and lifetime after-sales service