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MULTICAL® 403 – Small Commercial (DN15-DN50)

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MULTICAL® 403 – Small Commercial (DN15-DN50)

Smart Energy Meter

With the MULTICAL® 403 Smart Energy Meter everything from the inlet / outlet position to the energy unit, cut-off dates and much more can be individually configured via the meter’s front panel directly at the installation site. The smart, compact design means that the meter can easily fit all types of installations while still maintaining an optimal display, even in small and narrow environments.

The Smart Energy Meter selection ranges from 0.6 to 15 m³/h, and can therefore be used in various applications ranging from apartments to shopping centers and large office buildings. Its rugged and smart design makes it simple to use and easy to install, even on the most difficult and hard to reach applications.

The MULTICAL® 403 makes it easy for you to gain control over your buildings thermal energy consumption. With a range of communication options available, the meter is able to provide information on the consumption of tenants of departments within a building.

The rugged design and high quality of the MULTICAL® 403 means that it is extremely simple to use virtually maintenance free. Reconfiguration or service is easily completed due to the simple set-up. Therefore, the time and cost spent on installations and maintenance are lower than ever before.

Contact a member of our team today to find out if the  MULTICAL® 403 Smart Energy Meter is the right solution for your application.


  • Configurable M-Bus modules with logger reading
  • Highly flexible modular design
  • Compact meter is easy to install and doesn’t require straight inlet or outlet
  • Onsite configuration via keys on display
  • Pulse inputs and outputs
  • 16 years battery life
  • IP68 Flow Sensor
  • Realtime clock backup

Typical Usage

  • Area of Use: Residential, small business
  • Measuring Principal: Ultrasonic
  • Metering Type: Heat, cooling, heat/cooling
  • Type: Complete meter – inseparable (temperature sensors – separable)
  • Heat (MID) and cooling (TS) approvals: Yes

Key Specifications

  • Flow sensor cable: 1.5 m
  • Temperature sensor cables: 2-wire: ≤ 10 m
  • Nominal flow: 0.6 – 15 m3/h
  • Sizes: DN15 – DN50
  • Protection class: Calculator – IP65
  • Flow sensor – IP68
  • Pressure loss at nominal flow: Typically < 0.1 bar
  • Battery life: Up to 16 years
  • Supply: Battery, 24 VAC/VDC, 230 VAC


  • Module slots: 1 slot
  • Communication: M-Bus, BACnet, Modbus and analogue output
  • Data logger: Programmable logging intervals from 1 minute to 1 year
  • Backlit display: No