SONBEST SM2130M-NOISE: 4-20mA Noise Sensor User Manual
File Version: V21.3.24
Product Overview
The SONBEST SM2130M-NOISE is a current type 4-20mA noise sensor designed for easy integration with PLC, DCS, and other industrial instruments. It monitors noise state quantities. The sensor utilizes a high-precision sensing core for reliability and long-term stability. It supports various output methods including RS232, RS485, CAN, 4-20mA, DC0~5V/10V, ZIGBEE, Lora, WIFI, and GPRS.
[Image Description: A white, rectangular sensor unit with a black microphone probe attached via a cable. The unit has a waterproof connection port and mounting holes. Chinese text on the unit reads "SONBEST SM2130B-NOISE RS485 噪声传感器 (Noise Sensor) 供电:DC6-24V (Power: DC6-24V) 量程:30-130dBA (Range: 30-130dBA)".
Technical Parameters
| Technical parameter | Parameter value |
|---|---|
| Brand | SONBEST |
| Noise range | 30~130dB |
| Noise accuracy | ±3% |
| Communication Interface | DC4~20mA |
| Power | DC12~24V 1A |
| Running temperature | -40~80°C |
| Working humidity | 5%RH~90%RH |
Product Dimensions
[Diagram Description: Dimensional drawings of the sensor enclosure. Top view shows overall dimensions of 117mm width and 105mm depth, with mounting holes. Side view shows the enclosure height of 41mm, with a base thickness of 9mm. A side projection measures 44mm high. A mounting hole diameter of Φ3.5 is indicated.]
Wiring and Application
How to wiring?
The sensor features a waterproof connection port and a noise probe. The communication line connects to the device.
RS485 Wiring
- RD: PWR+
- GN: PWR-
- YE: RS485 A+
- BU: RS485 B-
mA/V Wiring
- RD: PWR+
- BK: PWR-
- BU: mA/V OUT
[Note: When wiring, connect the positive and negative poles of the power supply first, and then connect the signal wire.]
Application Solution
RS485 Wiring Solution
This setup involves a computer or mobile app connecting via an RS485 converter to the SM2130M-NOISE sensor for data transmission and viewing. [Diagram Description: Illustrates a computer and a mobile app connecting to an RS485 converter, which then transmits data to the SONBEST SM2130B-NOISE sensor. This facilitates viewing data remotely.]
mA/V Wiring Solution
This configuration connects the sensor to a mA/V meter using DC12~24V power. [Diagram Description: Shows the SONBEST SM2130M-NOISE sensor connected to a mA/V meter, powered by DC12~24V. Connections are shown for power and the mA/V output signal.]
Disclaimer and Contact Information
Disclaimer
This document provides information about the product but does not grant any license to intellectual property. Shanghai Sonbest Industrial Co., Ltd makes no warranties, express or implied, regarding the sale and use of this product, including suitability, marketability, or infringement liability. Product specifications and descriptions are subject to change without notice.
Contact Us
Company: Shanghai Sonbest Industrial Co., Ltd
Address: Building 8, No. 215 North East Road, Baoshan District, Shanghai, China
Web: http://www.sonbest.com
Web: http://www.sonbus.com
SKYPE: soobuu
Email: sale@sonbest.com
Tel: 86-021-51083595 / 66862055 / 66862075 / 66861077
