IP65 Noise Meter Sensor, Environmental Noise Online Monitoring Meter Noise Transmitter Decibel Detector Sound Level Meter 30-120DB (Output Signal 4-20mA)

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About this item 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 Show more