Output signal options:

A: 0-5V B: RS485 C: 4-20mA D: 0-10V

Specification:

Product name: Industrial noise transmitter Power supply: 10-30V DC (0-10V type is recommended for 24V power supply) Maximum power consumption: 0.4W (485 type), 1.2W (analog type) Measurement accuracy: ± 0.5DB Frequency range: 20HZ-12.5KHZ Default range: 30-120DB Frequency weighting: A Response time: <3S Output signal: RS485 (Modbus protocol) 4-20mA / 0-5V / 0-10V (analog output) Microphone: condenser microphone