CALEC® ST III

CALEC® ST III

CALEC® ST III

Product catalog summary
Overview: The CALEC® ST III is a multi-protocol thermal energy calculator designed for various applications including heating, cooling, and combined systems. It supports water, glycol, and other media, and is equipped with advanced communication interfaces for integration into energy management and building automation systems.
Key Features:
  • Supports heating, cooling, bi-directional, solar, and air-conditioning systems.
  • Precise thermal energy measurement suitable for building engineering applications.
  • Multi-tariff management and modular communication interface for flexibility.
  • Wireless wM-Bus 868MHz and IoT-ready for smart city and building applications.
  • Wide supply input range (24 - 240 VAC) and high-accuracy temperature inputs (PT100, PT500, PT1000).
  • Android App and NFC/Bluetooth interfaces for easy commissioning and readout.
  • Metrological approval in accordance with 2014/32/EU (MID) and PTB K7.2.
Usability and Integration:
  • Optimized display and backlight with improved button usability.
  • Mobile reading solutions via walk-by or drive-by methods for data collection.
  • Full integration with building automation systems through various communication protocols (M-Bus, BACnet, Modbus, etc.).
Technical Specifications:
  • Temperature range: Water 0...+200°C, Water Glycol -40...+180°C.
  • Protection class: IP54 according to EN 60529.
  • Display units include kWh, MWh, MJ, GJ, KBTU, MBTU.
  • Communication options include M-Bus, BACnet MS/TP, Modbus RTU, N2Open, and more.
Conclusion: The CALEC® ST III offers a comprehensive solution for thermal energy measurement with its modular design, extensive communication capabilities, and user-friendly interfaces, making it suitable for a wide range of applications in commercial and residential settings.
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Catalog excerpts

CALEC® ST III-1

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CALEC® ST III-2

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CALEC® ST III-3

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CALEC® ST III-4

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.