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Transformer Noise Sensor
WS-CSZ-PW-111
WS-CSZ-PW-111 transformer noise sensor consists of a noise collector and a wireless communication unit. It uses a low-power, high-performance microprocessor and a wireless LoRa module. It is mainly used for real-time monitoring of on-site noise near transformers in substations, to evaluate the operation of transformer equipment, and to provide effective early warnings for equipment failures. When equipment failure warnings occur, the alarm information is sent to the cloud platform through the gateway, and the cloud platform pushes it to the mobile phone APP and WEB. It can be used in substations, switch station distribution boxes, etc.
Main functions and characteristics

1) Transformer noise monitoring and timely warning;

2) Effective early warning of equipment failure.

Technical parameter
  • 1. Shell
    Protection level IP68
  • 2. Power supply
    1) External power supply : DC12～24V
    2) Battery power supply : 3.6V, battery capacity not less than 3500mAh
    3) Static power consumption : ≤1W
  • 3. Communication
    1) Communication method : LoRa/RS485
    2) Communication protocol : Comply with the "Micropower Wireless Network Communication Protocol for Internet of Things of Power Transmission and Transformation Equipment", "Data Specification for Sensors of Internet of Things of Power Transmission and Transformation Equipment", and Modbus protocol
    3) Reporting cycle : The reporting cycle can be configured, with a default of 15 minutes
  • 4. Measurement
    1) Dynamic range : 50-120db
    2) Noise resolution : ≤0.5dB
    3) Frequency range : 20Hz-20kHz
    4) Measurement accuracy : ≤±3dB
  • 5. Work Environment
    1) Operating temperature : -40℃~85℃
    2) Operating humidity : ≤99%RH
    3) Atmospheric pressure : 63kPa~106.0kPa
Size Description

110mm×120mmX50mm

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