Description

INTRODUCTION:

Noise level or decibal sensor module is mainly used for on-site real-time noise decibal measurement of various noise pollutions such as environmental noise, traffic noise, workplace noise, construction noise and social life noise. With this module, customers no longer need to worry about complex noise signal processing to convert decibal, they can develop their application product easily and quickly with direct noise decibal level output.

This noise level or decibal sensor module has good accuracy and calibrated with certificate, and output interface options available as 0-3v analog | TTL-UART | I2C | RS485, buyer can choose before purchase.

SPECIFICATIONS:

• Power supply: 4.5~5.5V (default); 10~28V (optional special order)
• Measuring range: 30dB~120dB
• Frequency response range: 20Hz~12.5kHz
• Accuracy: ±0.5dB
• Transmitter circuit working temperature: -20℃~+60℃, 0%RH~80%RH
• Stability: <2%
• Warranty: 2 Years
• Output signal: 0-3v | TTL UART | I2C | RS485

Features:

• PCB board mounting module to measure noise level in decibal
• 30~120dBA wide range, 20~12.5KHz wide frequency measurement.
• Adopt high-performance pre-polarized back-electret condenser microphone with wide dynamic range and stable performance.
• The output interface 0-3v | I2C | TTL | RS-485 is optional before purchase
• There are two modes of slow and fast measurement to meet the requirements of different customers.
• The power supply is 4.5V~5.5VDC, 10~28VDC optional before purchase