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Teracom TSM400-4-TH is a digital humidity and temperature sensor with Modbus RTU over RS-485. The sensor is designed for wall mounting and is suitable for offices, server rooms, data centers, stores, building management systems and industrial automation systems. It provides 3.0% RH accuracy, digital signal processing, factory calibration without lifetime recalibration, changeable communication parameters, LED communication status, non-volatile memory and firmware update via RS-485.
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Weight: 0.25 kg
Country of Origin: Bulgaria
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Teracom TSM400-4-TH is a digital humidity and temperature sensor with Modbus RTU communication over RS-485. The device is designed for wall mounting and supports monitoring of temperature and relative humidity in buildings and technical rooms.

The sensor integrates sensing elements and signal processing and provides a fully calibrated digital output. The sensing elements are factory calibrated and, according to the manufacturer, do not require lifetime recalibration.

  • Interface: Modbus RTU over RS-485
  • Measured values: relative humidity and temperature
  • Humidity accuracy: 3.0% RH
  • Mounting: wall mounting, suitable for standard flush-mounted or cavity wall boxes with a maximum installation opening of 61 mm
  • Status indication: LED indicator for communication status
  • Communication: changeable communication parameters
  • Memory: non-volatile memory for settings
  • Maintenance: firmware update via the interface

The TSM400-4-TH supports use in Building Management Systems (BMS), Industrial Automation Systems (IAS) and with third-party controllers. Each sensor has a unique serial code, allowing multiple sensors on the same RS-485 bus.

Typical applications include indoor air quality monitoring in offices, humidity and temperature monitoring in server rooms and data centers, and integration into building management systems.

Compatible Teracom modules are TCG140-4, TCW260 and TCG140. Third-party controllers are also supported.

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