出力
TTL-5V/TTL-12V/485-5V/485-12V
Product name
Cheap 30-130db Noise Module Modbus Decibel Noise Sensor
Power supply
4.5~5.5V (default); 10~28V (optional)
Measuring range
30dB~120dB
Frequency response range
20Hz~12.5kHz
Transmitter circuit working temperature
-20℃~+60℃, 0%RH~80%RH