Henan Zhong An Electronic Detection Technology CO.,LTD.
Model S500-ZY -Noise Detector
S500-zy noise detector, mainly designed according to the requirements of national standard GB/T 3785.1-2010 electroacoustic sound level meter -- part 1: specification and international standard IEC 61672-1:2002 for class 2 X sound level meter, is mainly used for on-site real-time measurement of environmental noise, traffic noise, work site noise, construction noise and social life noise.With this module, customers do not need to worry about complex noise signal processing, but can focus on the field they are good at, and create value for customers more quickly.
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- 30~120dBA wide range, 20~12.5KHz wide frequency measurement
- high performance prepolarized back electret capacitive microphone, wide dynamic range, stable performance
- output interface: rs-485
- power supply: 24VDC
- Operating voltage 10~28V
- Power consumption 27.8 mA @ 24 v
- Transmitter circuit operating temperature -20℃~+60℃, 0%RH~80%RH
- Output signal RS485 modbus-rtu communication protocol
- UART or rs-485 communication parameters 9600 N 8 1
- Measurement range 50dB~120dB
- Frequency weighting A weighting
- Frequency response range 20Hz~ 12.5khz
- Response time fast mode: 500ms
- Slow mode 1.5S
- Stability less than 2% in service life Reference calibration points 94dB and 114dB calibration, reference sound pressure 20uPa, frequency 1kHZ
- Noise accuracy ± 0.5db (in reference pitch, 94db@1khz)
- Dust cover influence influence ≤0.5dB in the range of 50~115db
- Influence within other ranges within the range ≤ 0.7db
- Working environment: air temperature -40~+60℃
- Relative humidity: 25%~90%
- The static pressure 65 kpa to 106 kpa