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ELF2 1,0 Compact Heat Meter with Flow Transducer Type JS90-XX-TI

ELF2 1,0 Compact Heat Meter with Flow Transducer Type JS90-XX-TI

Elf 2 is the next generation of compact and precise Elf meters. It is based on single-jet mechanical flow meters in the
second accuracy class (according to PN-EN 1434) and which stands out with its modern design.
Elf 2 has new functions and communication capabilities. It can be used as a heat and cooling meter. It has a dynamic
integration period and it is powered by batteries which last for 6 or 12 years of operation. The wide communication
capabilities are supported by interchangeable communication modules: RF Wireless M-Bus with two pulse inputs,
M-Bus with four pulse inputs, M-Bus with two pulse inputs and one pulse output, RS485 with the implemented
Modbus protocol. It is fully compliant with WELMEC 7.2 guidelines to ensure the safety of the measuring instrument software at the
same time.

Use
The meter is designed for heating/cooling systems in residential, office, commercial and apartment buildings. Due to
its attractive design, the meter fits into any room. It can be used as a heat meter, cooling meter, or heat and cooling
meter in one system. It can be mounted horizontally or vertically. It is perfect for residential heat distribution units (logoterma) thanks to dynamic temperature measurement and integration time (2-6 s).Thanks to wide communication capabilities, the meter can be used in cable and wireless automatic reading systems as well as in building automation systems.

Specification
  • Metrological class:

    - Class 2 – H

    - Class 3 – V

    Product features:

    - Small dimensions, horizontal or vertical mounting and rotating display, which allows installation and readability in any environment.

    - High measurement accuracy, 1:100 measurement dynamics, metrological stability ensures correct and accurate billing of energy consumption.
    - Operation in heat, cooling, or heat and cooling systems.
    - Versions with different nominal flow rates (0.6, 1.0, 1.5, 2.5 m3/h) and diameters (DN15, DN20) ensures optimum selection for metering any room.
    - Dynamic temperature measurement and integration period (2-6 sec) ensures correct energy measurement even under short
    flows – perfect for residential heat distribution units.
    - Battery power for 6 or 12 years of operation – over two validation periods.
    - The interchangeable communication modules ensure operation in reading and building automation systems, and allow the connection of four different meters with pulse output to Elf 2 (water meters, electricity meters).
    - Extensive archiving capability for measurement data in retentive memory: registers per minute (15-1440 minutes), hour, day, month and year ensures safe measurement data storage and possibility for the complete analysis of meter operation.
    - Archive register reading and customisation of meter configuration for individual needs with dedicated software.


Technical specification
  • Unique ref.ELF2_1_JS90_XX_TI
  • Product familyElectronic Heating Cost Allocator
  • Product groupwith Mechanical Flow Transducer
  • TypeObject (single object)
  • Date of publishing2018-05-25
  • Edition number1
  • Height (mm)95.5
  • Width (mm)110
  • Depth (mm)74.4
Related
  • Material mainBrass
  • Material secondaryPlastic
  • Designed inPoland
  • Manufactured inPoland
Classification
  • BIMobject CategoryPlumbing - Plumbing
  • IFC classificationDistribution Control Element
  • ETIM CodeEG000045
  • ETIM NameMeters
  • UNSPSC nameHeat detectors
  • UNSPSC code46191502
  • Uniclass 2015 CodePr_80_51_51_37
  • Uniclass 2015 DescriptionHeat meters
  • CSI MasterFormat 2014 Code22 05 19
  • CSI MasterFormat 2014 TitleMeters and Gages for Plumbing Piping
  • OmniClass Number23-27 11 19
  • OmniClass TitleHeat Measuring Instrument And Controls
  • CSI UniFormat II CodeD2090
  • CSI UniFormat II TitleOther Plumbing Systems

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