Energy calculator for flow sensors in commercial applications

Infocal™ 9 is an energy calculator, e.g., for combination with SONO 3500 CT™ flow meters or SonoSensor™ 30 flow sensors. It is designed for heating, cooling or combined heat/cool applications in local and district energy systems.

The calculator is MID Class II B+D certified and comes in either a 230 V AC mains power supply or battery powered version offering a 12 year battery lifetime.

Technical data

  • Size:  DN15 – DN1200
  • Temperature: 0-160°C 
  • Types: Energy caluculator
  • Approvals: MID class II B+D (heating)
  • Flow sensor cable length: Up to 100.0m (230 VAC)| 10.0m (battery supply)
  • Temp. sensor cable length: 2.0m | 3.0m | 5.0m | 10.0m
  • Configuration options: 
    • Pulse outputs
    • Additional sensors for flow, pressure and temperature
  • Data logging: 36 months
  • Modular: 1 slot for communication modules
  • Protection class: IP65
  • Communication:
    • Wired M-Bus
    • Wireless M-Bus (OMS)
    • 2x Pulse outputs/inputs
    • RS 485 modbus RTU
    • 2x 4-20mA 
  • Power:
    • Battery D-cell 3.6V
    • Mains unit 230 V AC

Features and benefits

Covers a large range of sizes, from DN15 to DN1200

High frequency of input pulse for flow sensor up to 200 Hz

Wide temperature range increases the product usability

Up to 100.0m flow cable length


Type Name Language Valid for Updated Download File type
Brochure - AD Energy metering solutions - Product overview English Multiple 14 Mar, 2019 2.0 MB .pdf
Operating guide - AQ Infocal 9 communication description M-Bus English Multiple 23 Aug, 2018 2.1 MB .pdf
Data sheet - AI INFOCAL 9 data sheet_r2 English Multiple 09 Oct, 2018 535.0 KB .pdf
User guide - BC Infocal 9 User guide English Multiple 11 Sep, 2018 1.6 MB .pdf
Brochure - AD Precision and reliability through advanced ultrasonic technology 4-pager English Multiple 14 Mar, 2019 321.8 KB .pdf
User guide - BC SonoEnergy Control Panel English Multiple 14 Mar, 2019 2.9 MB .pdf