AS834+ Digital Sound Level Meter, 30-130dB Decibel Monitoring Tester with LCD Display

Enhance your noise detection capabilities with our digital sound level meter, designed for accuracy and ease-of-use in a variety of settings including factories, offices, homes, schools, and construction sites.

Features:

• Large 2.7" LCD display for effortless reading and operation.
• Wide measurement range from 30dB to 130dB with a resolution of 0.1dB and accuracy of ±1.5dB.
• Supports both A and C weighted sound pressure levels for versatile monitoring.
• Offers fast and slow dynamic characteristic modes for different measurement needs.
• Features AC and DC signal outputs for integration with frequency analyzers, level recorders, FFT analyzers, and graphic recorders.
• Includes maximum/minimum value measurement and a customizable alarm level setup (90-130dB).
• Displays low battery warnings and includes automatic and manual power-off functions.
• Comes with a protective sponge ball and a convenient storage pouch for portability and easy handling.
• An ideal tool for sound level monitoring across personal, familial, business, educational, and industrial applications.

Specifications:

• Material: ABS
• Accuracy: ±1.5dB (at the calibration point, 94dB@1KHz)
• Frequency Response: 31.5Hz~8.5kHz
• Dynamic Range: 50dB
• Measurement Range: 30~130dBA, 35~130dBC
• Frequency Weighting: A and C weighting
• Digital Display: 4 digits
• Resolution: 0.1dB
• Sampling Speed: 2 times per second
• Analog Bar Graph: One bar equals 1dB, sampling rate two times per second
• Overload Alert: Displays OVER or UNDER icon
• 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 x 9V 6F22 battery or 9V 100mA DC adapter
• LCD Size: 52 x 43mm / 2.05 x 2.01in
• Item Size: 221 x 66 x 32.5mm / 8.70 x 2.60 x 1.28in
• Item Weight: 200g / 7.06oz
• Package Weight: 261g / 9.23oz
• Package Size: 24.5 x 9.2 x 5.2cm / 9.65 x 3.62 x 2.05in

Package List:

• 1 x Sound Level Meter
• 1 x Storage Pouch
• 1 x User Manual (English)

Note: When measuring noise outdoors, attach the sponge ball to the microphone head to prevent airflow noise from skewing results.