ISOIL Industria Spa

Energy meter for flow meters IFK ISONRG


The IFK ISONRG energy meter is compatible with all types of turbine flow meters, Woltmann, ultrasonic and electromagnetic.

The tool allows to calculate extremely accurately the heating and cooling consumptions, also by means of automatic switch useful also for cogeneration or trigeneration plants, it can manage up to two plants simultaneously.

It has a logger and acquires signals also for cold/hot water sanitary meters or in any case attributable to impulsive and/or analog inputs and has the possibility of performing a leak test function.

It can be used with temperature probes selected in pairs, for the correct and necessary accuracy of the calculation, of the type PT500 from 2 to 4 wires, and is approved for “financial transactions” in accordance with EN 1434 (MID 004) according to European Directive 2014/32/UE by transferring data via standard protocols such as RS232, RS485, MODbus, Mbus. WMBus and RS232.

Technical Specifications

The energy meter for flow meters IFK, flow meters, energy meters, ultrasonic flowmeters, and industrial automation systems have been ISOIL Industria‘s passion and continuous research since 1958, and for any information or advice please do not hesitate to contact our specialists.

Technical Specifications

  • Temperature measurement:
    – Fluid temperature 0 ° C … 180 ° C
    – Temp. Measurement of the difference limits 2 … 150 K or 3 … 150 K
    – Type of temperature sensors Pt500 DS (qp <6 m3 / h) or PL
    – Connection diagram – two-wire, cables up to 5 m long
    – Internal data logger capability
    – Recording of up to 960 hours per hour up to 1,116 days for daily records up to 36 months for monthly records
    – External dimensions of the calculator 117 × 44 × 90 mm
    – Degree of protection IP65 (IP67 on request)
    – Ambient temperature 5 ° C to 55 ° C
  • Communication interfaces:
    – Integrated optical communication interfaces: according to EN61107 (IEC 1107)
    – Available types of plug-in module interface: M-bus; 2 pulse outputs; Wireless 868 MHz
  • Accuracy class: 2 (according to EN1434)
  • Energy measurement units: kWh, MWh, GJ, Gcal
  • Power supply: internal battery (duration not less than 11 years)


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