SMART SENSOR AS804 Digital Sound Level Meter – LCD Noise Decibel Tester

The SMART SENSOR AS804 Digital Sound Level Meter is a compact and reliable device used to measure sound intensity in various environments. Designed with a high-sensitivity condenser microphone and microprocessor technology, it provides accurate and consistent readings of noise levels, making it suitable for industrial, environmental, and residential applications.

This device measures sound levels in the range of 30dB to 130dB, covering everything from quiet indoor environments to loud industrial noise. It features an easy-to-read LCD display with backlight, allowing clear visibility even in low-light conditions. The meter follows standard acoustic measurement principles, responding similarly to the human ear to provide realistic and usable data.

Highlights

• Wide measurement range from 30dB to 130dB

• High accuracy of ±1.5dB for reliable readings

• LCD display with backlight for easy visibility

• Compact and lightweight portable design

• Suitable for environmental, industrial, and home use

Key Features

Accurate Noise Measurement
Measures sound pressure levels with a range of 30–130dBA and accuracy of ±1.5dB, ensuring dependable results.

High-Sensitivity Microphone
Equipped with a 1/2-inch condenser microphone for precise sound detection across different environments.

Wide Frequency Range
Operates within 31.5Hz to 8.5kHz, allowing detection of various sound frequencies encountered in real-world conditions.

User-Friendly Digital Display
Clear LCD screen with backlight ensures easy reading of measurements, even in dim lighting conditions.

Portable & Lightweight Design
Compact size and lightweight build make it easy to carry and use for field measurements or indoor testing.

Additional Functions
Includes max hold function, low battery indicator, auto power-off, and fast sampling rate for efficient operation.

Specifications

• Model: AS804

• Type: Digital Sound Level Meter

• Measurement Range: 30–130 dBA

• Accuracy: ±1.5 dB

• Frequency Range: 31.5Hz – 8.5kHz

• Resolution: 0.1 dB

• Microphone: 1/2 inch condenser microphone

• Sampling Rate: 2 times/second

• Display: LCD with backlight

• Power Supply: 3 × AAA batteries

• Material: ABS plastic

• Weight: Approx. 70–85g

Application

Ideal for measuring noise levels in factories, construction sites, offices, schools, homes, and environmental studies. Simply power on the device, point it toward the sound source, and read real-time decibel levels from the display for accurate monitoring and analysis.