Modbus water leak detector TSF400-4

TSF400-4 is a water leak detector with Modbus RTU interface and IP65 protection.

Description

The TSF400-4 is a compact water-leak detector designed for early detection of water presence on floors, trays, or inside equipment enclosures. It operates from a wide 4.5–26 VDC supply and communicates via a Modbus RTU interface over RS-485, enabling easy integration with PLCs, industrial controllers, SCADA systems, and building-automation platforms.

Detection is based on conductivity between sensing electrodes; when water bridges the electrodes, the device detects the condition and reports it through the communication interface, enabling fast and reliable alarming. The detector is fully electronic, with no moving parts, ensuring high reliability and long service life in industrial environments.

Features

  • Early leak detection;
  • Wide power supply range;
  • RS-485 interface;
  • LED status indicator;
  • Rugged IP65 enclosure;
  • Maintenance-free design;
  • Compact and easy to install;
  • Versatile applications.

Applications

  • Leak detection in server rooms, UPS rooms and telecom shelters;
  • HVAC drip trays, cooling/condensation lines;
  • Under-floor and raised-floor monitoring;
  • Domestic and commercial flood-alert systems.

TSF400-4 can be used with

  • Industrial IoT module  TCW242
  • Energy monitoring module TCW260
  • 4G LTE universal IO module TCG140-4
  • Industrial PLCs supporting Modbus RTU communication

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