RS485 digital sound level meter noise detection sensor analog measuring device
RS485 digital sound level meter noise detection sensor analog measuring device
The noise measuring device is mainly designed according to the requirements of the national standard GB/T 3785.1-2010 "Electroacoustic Sound Level Meter Part 1: Specifications" and the international standard IEC 61672-1:2002 for level 2 class X sound level meters. It is mainly used for real-time on-site measurement of various types of noise such as environmental noise, traffic noise, workplace noise, construction noise and social life noise.
| Power supply | DC 9 ~ 18V |
| Communication | RS485/0-5V/0-10V/4-20mA |
| Measuring range | 30dB~120dB |
| Stability | less than 2% in use cycle |
| Accuracy of noise | ±0.5dB (94dB@1kHz at reference intonation) |
| Response time | fast mode 500ms, slow mode 1.5s |
| Dust cover effect | in the range of 50~115db, the effect is ≤0.5dB |
| Operating temperature | -20℃~60℃ |
| Operating humidity | 25%RH~80%RH |
| Adapt to pressure | atmospheric pressure ± 10% |
| Waterproof Level | IP67 analog db meter |
- RS485 signal output
Sound level meter is powered by a 12V DC power supply and is connected to a PLC with a 485 interface. It can also be connected to a microcontroller through a 485 interface chip. Program the microcontroller and PLC through the modbus protocol specified later.Or use USB to 485 to connect to the computer, use the sensor configuration tool provided by our company to configure and test. In theory, a bus can connect more than 16pcs 485 sensors. If you need to connect more 485 sensors, you can use 485 repeaters to expand more 485 devices.
- Analog signal output
Using 12V DC power supply, the sensor can be connected to PLC or single-chip microcomputer and other acquisition devices, and the calculated voltage or current value is used to calculate the real-time data collected by the sensor.
Real-time on-site measurement of various types of noise such as environmental noise, traffic noise, workplace noise, construction noise and social life noise.
Weihai GEMHO Digital Mine Technology Co., Ltd. is a high-tech enterprise recognized by the state and a leading intelligent mine solution provider in China. The company is mainly engaged in the design, R&D, manufacturing and sales of industrial Internet, Internet of things platform and intelligent terminal.
The company’s main products include Internet of things platform, Internet of things intelligent terminal, sensor and new data acquisition equipment. At present, GEMHO has a high reputation in the field of intelligent mine and geological disaster monitoring, and its key technology has reached the international advanced level.
1. Are you manufacturer?
Yes, we are specialized in producing high-tech products over 10 years.
2. Do you have your own R&D team and technical staff?
Yes, if you have any questions, we will deal with them in time
3. Do you offer custom service?
Yes, we can offer custom service.
4. What’s the delivery time?
Usually, 1-15 days.
5. What's the term of payment?
Usually, 30% deposit by TT, the balance should be paid before shipment/ negotiable
6. Could we make a visit to your factory?
Yes, you are welcomed
Riya Yu
Weihai GEMHO Digital Mine Technology Co., Ltd
Tel: 0086-18616373751
Email: yrrong@gemho.cn
Wechat/ Mobile/ Whatsapp : 0086-18616373751
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