Industrial Noise Sensor Decibel Meter — 30dB–120dB Range, RS485/4-20mA/0-10V Outputs, Waterproof 304 Stainless Steel

Rugged industrial noise sensor built for continuous sound monitoring in demanding environments. The microphone pickup covers 20Hz–12.5kHz and provides high accuracy for stable signal detection. Housed in 304 stainless steel with waterproof and dustproof protection to ensure long-term durability. Measures sound levels from 30dB to 120dB with 0.1dB resolution and a response time ≤3s for precise readings. Offers multiple output options: RS485, 4-20mA and 0-10V. Operational range: -20°C to +60°C and 0%–80% RH. Powered by a 10–30V DC supply. Wiring note: the RS485 A/B connections are polarity-sensitive.