Infocal 9

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Energy calculator for flow sensors in commercial applications

Infocal™ 9 is an energy calculator used in combination with Sono 3500 CT™ flow meters or SonoSensor™ 30 flow sensors. It is designed for the demanding requirements of 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 calculator
  • 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 Energy metering solutions - Product overview English Multiple 20 Sep, 2022 7.1 MB .pdf
Data sheet Infocal 9 English Multiple 28 Feb, 2023 836.2 KB .pdf
Operating guide Infocal 9 communication description M-Bus English Multiple 19 Apr, 2018 2.2 MB .pdf
Metrological Certificate LEI LT-1621-MI004-028 English; Lithuanian Multiple 08 Feb, 2024 973.5 KB .pdf
Brochure Precision and reliability through advanced ultrasonic technology 4-pager English Multiple 12 Apr, 2019 560.5 KB .pdf