Flocaltec

    Calibration & testing

    Independent ISO 17025 accredited calibration capability - fixed laboratory, mobile rigs and reference master meters traceable to national standards.

    Overview

    Traceable, NMi-witnessed calibration - in the lab and on your site.

    Flocaltec operates an independent calibration laboratory in Gendringen with ISO 17025 accreditation and direct NMi witnessing. Our portfolio of transfer master meters covers turbine, rotary and ultrasonic technologies and provides the reference chain needed for fiscal recertification of in-service meters.

    When site conditions or downtime constraints rule out laboratory calibration, our mobile units travel to your installation. We perform in-situ proving, recertification and uncertainty analysis using portable test bench solutions with minimal downtime.

    Key specifications
    Headline performance data
    Accreditation
    ISO 17025
    Witnessing
    NMi / PTB
    Range
    flows up to 4000 m³/h
    Uncertainty
    ≤ 0.15% (lab)
    Applications & industries

    Where it's used

    Calibration & testing from the Gas Measurement Group are deployed across the global energy value chain - from transmission networks to industrial end-users.

    TSO / DSO recertification

    Periodic verification of fiscal meters at custody transfer points to maintain MID compliance.

    Industrial site proving

    On-site proving of meters serving energy management or sub-billing systems.

    Manufacturer FAT support

    Independent witnessing of factory acceptance tests for OEM meters before shipment.

    Research & lab

    Reference calibration for university, R&D and standards organisations.

    Range

    Available products & solutions

    Supplied by Flocaltec

    Flocaltec
    Transfer master meters
    Reference meters for traceable on-site and laboratory calibration.
    Type
    Turbine / rotary
    Use
    Field & lab
    Cert.
    NMi witnessed
    Standard
    OIML R137
    NMi
    Flocaltec
    Mobile calibration units
    Calibration rigs that travel to site for in-situ proving and recertification.
    Use
    On-site
    Standard
    ISO 17025
    Coverage
    EU
    Lead time
    On request
    Mobile

    Discuss your calibration & testing requirement

    Our team will scope, quote and (if needed) prototype the right solution for your site.

    The complete gas measurement chain - six specialist companies covering precision components, flow meters, metering systems, and calibration.

    Group

    Onderzeel 6, 2920 Kalmthout, Belgium
    info@gmg-group.com
    +32(0)3 217 97 70
    © 2026 Gas Measurement Group · Belgium & Netherlands