Rika noise (decibel) sensor RS485 modbus

For noise polution monitoring

Datasheet   User Manual  

Noise sensor is a kind of digital and modular multi-function sound level meter.Using a digital signal processing chip and digital detection technology, has a high reliability, good stability, wide dynamic range, without range switching, etc.Can be widely applied to various machines, vehicles, ships, electrical appliances and other industrial noise measurement, can also be used for environmental noise measurement, labor protection, industrial hygiene.

- High sensitivity
- Fast response
- Low consumption
- Excellent stability
- Long service life
- Environment quality monitoring
- Smart home
- Public place
- Labor protection
- Animal husbandry
Technical specification
Properties Characteristics
Range 30-130dB
Accuracy ±3dB@23±5℃,accordance with IEC 61672 standard type 2, calibrated at 94dB(1kHz) input
Frequency response 31.5Hz - 8kHz
Correction B&K 4226
Microphone Capacitive microphone 0.5 inch
Supply 5VDC, 12 - 24 VDC
Output RS485, RS232
Power consumption Less than 20mW @ 12VDC
Response time Less than 200 micro-second
Operating temperature -10 to 50oC @ 5 - 80%RH
Storage -40 to 70oC @ 20% - 90%RH
Shell material ABS & Aluminum alloy
Outdoor installation RK59-01 radiation shied is optional