MULTICAL® 403 Energy Meter -The front runner in energy metering

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MULTICAL® 403 Energy Meter -The front runner in energy metering

Enquiry Item

MULTICAL® 403 is a complete all round heat meter with ultrasound. The meter is also available as a cooling meter. The calculator and flow part cannot be separated, but the communication, supply and temperature sensors can be replaced. By using M-Bus, the meter obtains a battery lifetime of up to 16 years with meter readings via the module every 10 seconds. The compact meter imposes minimal installation requirements and provides maximum functionality at a competitive price. The robust design and high quality means that the meter is practically maintenance-free, and the simple setup makes it easy to make configurations directly via the meter's front keys.



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

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