HVAC Products

Heat Meters

A heat meter, also known as a thermal energy meter or BTU meter, is a device that measures the amount of thermal energy delivered by a heating or cooling system. It works by combining two key parameters: the volume of the heat-transfer fluid (e.g., water or glycol) and the temperature difference between the system’s supply and return lines. This enables the meter to calculate energy consumption in units such as kilowatt-hours (kWh), megajoules (MJ), or gigajoules (GJ) for residential, commercial, or industrial applications.

Showing 17–24 of 24 resultsSorted by popularity

  • Heat Meters

    Kamstrup Multical 603 Ultrasonic Heat Meter

    Price range: £1,694.00 through £9,026.00 Select options This product has multiple variants. The options may be chosen on the product page

    Please select the required mm size below

  • Heat Meters

    Kamstrup MULTICAL 403 HC-003-67 Modbus RTU

    £133.00 Add to basket

    The wired Modbus RTU communication module enables the Kamstrup Multical® 403 heat meter to connect to other on-site communication equipment, enabling automatic data reading from the meter. This module is equipped with two pulse inputs, In-A and In-B, to collect and accumulate pulses remotely from other water and electric meters.

  • Heat Meters

    Kamstrup MULTICAL 403 HC-003-66 BACnet MSTP

    £133.00 Add to basket

    The wired BACnet MSTP communication module enables the Kamstrup Multical® 403 heat meter to connect to other on-site communication equipment, enabling automatic data reading from the meter. This module is equipped with two pulse inputs, In-A and In-B, to collect and accumulate pulses remotely from other water and electric meters.

  • Heat Meters

    Kamstrup MULTICAL 403 Wired M-Bus Module

    £59.00 Add to basket

    The wired M-Bus communication module enables the Kamstrup Multical® 403 heat meter to connect to other on-site communication equipment, enabling automatic data reading from the meter. This module is equipped with two pulse inputs, In-A and In-B, to collect and accumulate pulses remotely from other water and electric meters.

  • Heat Meters

    Kamstrup MULTICAL 403 Wireless M-Bus Module

    £79.44 Add to basket

    The wireless M-Bus communication module enables the Kamstrup Multical® 403 heat meter to connect to other on-site communication equipment, enabling automatic data reading from the meter. This module is equipped with two pulse inputs, In-A and In-B, to collect and accumulate pulses remotely from other water and electric meters.

  • Heat Meters

    Kamstrup MULTICAL 403 Data Pulse Module

    £34.00 Add to basket

    The Data Pulse communication module enables the Kamstrup Multical® 403 heat meter to be hard-wired to other on-site communication equipment for automatic data reading from the meter. This module has two configurable pulse outputs, Out-C and Out-D, suitable for pulsing selected registers from the Multical® 403.

  • Heat Meters

    Multical 403 Compact ultrasonic energy meter

    Price range: £480.00 through £1,340.00 Select options This product has multiple variants. The options may be chosen on the product page

    Please select Nominal flow size below

  • Controllers

    iSMA-B-MG-IP

    £425.00 Add to basket

    iSMA-B-MG-IP has been designed to simplify the connection between the meter installation and the BMS. By applying the most popular interfaces for M-Bus and Modbus meters. iSMA-B-MG-IP allows handling up to 188 meters of various types simultaneously.

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