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Industrial Noise Sensor


Industrial Noise Sensor

Specifications

Model SMKNNO-PRO
Brand Name SesnorMart.com
Measurement Range 30~130dB(A)
Sensitivity -38±3dB (Or 12.6mv/Pa)
Resolution 0.1dB
Accuracy ±3dB@23±5, accordance with IEC 61672 type 2 standard, calibrated with input 94dB(1kHz)
Frequency Range 20Hz -12.5kHz
Response Time 200ms
Calibration Device B&K(Bruel & kjaer ),4231
Microphone Electret Microphone
Directivity Omnibearing
Microphone Size 0.5 inch
Power Supply DC5V, DC9V-30V
Cable Standard (2.5 m)
Maximum Power Consumption 500 mW
Material Aluminum Alloy
Net Weight 165g
Gross Weight 400g
Operating Environment Temperature 40℃~80℃
Humidity ≤100%RH
Protection Class IP55

SMKNNO-PRO Noise sensor is a digital, modular and multifunctional sound level meter. The digital signal processing chip and digital detection technology are adopted, which have the advantages of high reliability, good stability, wide dynamic range, and no need of range conversion. It can be widely used in industrial noise measurement of various machines, vehicles, ships, electrical appliances, etc., and can also be used in environmental noise, labor protection, and industrial hygiene measurement.

Load capacity :

  • Current output impedance ≤350Ω, when DC24V power supply,
  • current output impedance ≤900Ω voltage output impedance ≥1KΩ


Output signal:

  • RS485(Modbus ASCII)
  • RS232(Modbus ASCII)
  • 4-20mA
  • 0-20mA
  • 0-5V
  • 0-2.5V
  • 1-5V

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