The IOT-S300NOIS noise sensor is designed for harmfulness of noise to the human body. Noise can changes in the auditory system and also affect non-auditory system. Long-term exposure to relatively strong noise can cause pathological changes. It interfaces with language communication, affects work efficiency, and even cause accidents.

Outstanding Features:

• Wall-mounted shell, easy to install
• High measurement accuracy, fast response speed
• Range up to 30~120dB
• Communication mode: Modbus RTU communication protocol, RS485 digital output 

 IOT-S300NOIS Datasheet

IOT-S300NOIS USER MANUAL