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Calibration services

Our Calibration test rigs:                                      

We have an authorized metrological centre K39 with two calibration test rigs for flow and water meters and a laboratory for verifying of calorimetric counters used for measuring of heat and cold in water in our production facility in Pilsen. Other calibration test rig for flow meters is located in Oslavany, near Brno.

Which calibration and metrological services we can offer:

  • Metrological verification of flow meters and heat an cold meters, which are used for billing purposes
  • Development tests of flow meters for own development and for external customers too
  • Metrological and calibration services for external customers 
  • Flow meters are tested by cold drinking water (up to 25°C/77°F) or hot water (up to 70°C/158°F)
  • Test rigs can calibrate and verificate different types of flow meters for liquids (mechanical, electromagnetic, ultrasonic, vortex type, etc.) 
  • A room of the test rig enables a model installation of hydraulic arc and other hydraulic errors and thus to test different influences of hydraulic errors on accuracy of flow meters measurement
  • Testing and verification of calorimetric counters for heat and cold meters 
  • Testing and verification of calorimetric counters in steam
  • Carrying out a control measurement of the flow at the customer place with clamp-on ultrasonic flow meter

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Want to know more about our calibration services?  Contact us!

Calibration test rig for flow meters I. – Plzeň manufacturing facility

Main parameters of the MR-T-S 1540 test equipment:

  • Nominal diameter range: DN6 to DN40 (1/4" to 1 1/2")
  • Flow rate range: 0,006 m3/h to 12 m3/h
  • Liquid temperature range: 20°C to 70°C (68°F to 158°F)
  • Pulse and frequency outputs
  • Verifying methods: volumetric and mass method with flying or fixed start
  • Uncertainty: 0,20 %

Primary standards:

  • Scale Mettler Toledo range 150 kg
  • Scale HELIOS range 300 kg

Secondary standards:

  • 3 pcs of KROHNE electromagnetic flow meters DN2½, DN10 and DN25

Calibration rig for flowmeters I. – Pilsen manufacturing facility

Calibration test rig for flow meters II. – Plzeň manufacturing facility

Main parameters of the EXPO 150 test equipment:

  • Nominal diameter range: DN25 to DN150 (1" to 6")
  • Flow rate range: 0,15 m3/h to 150 m3/h
  • Fluid temperature range: 20°C to 70°C (68°F to 158°F) in tolerance according to Czech standard
  • Pulse, frequency and 0/4 to 20 mA current outputs
  • Verifying methods: volumetric and mass with flying or fixed start
  • Uncertainty: 0,20 %

Primary standards:

  • Scale HELIOS range 3500 kg
  • Scale HELIOS range 350 kg

Secondary standards:

  • 3 pcs of KROHNE electromagnetic flow meters DN2½, DN10, DN25

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Metrological verification of flow meters in Oslavany

Main technical parameters of the GS 1500/32-800 equipment:

  • Type GS 1500 / 32-800
  • Dimension range of tested flow meters: DN32 to DN900 (1 1/4" to 36")
  • Testing flow range: 0.05 m3/h to 2000 m3/h for metrological verification,
    Optional technical calibration: 0.05 m3/hto 2200 m3/h
  • Pulse and frequency electrical inputs
  • Verifying methods: mass and volumetric with flying start
  • Uncertainty: 0.20 %

Primary standards:

  • Mettler Toledo mass, 12,000 kg
  • Mettler Toledo mass, range 300 kg

Secondary standards:

  • 4 pcs of ELIS PLZEŇ electromagnetic flow meters FLONET FN2015.1, DN6 to DN300

 Metrological verification of flowmeters in Oslavany

Testing room for calorimetric counters in Plzeň

Testing room for calorimetric counters of for heat and cold meters in water and heat in steam

Test equipment for verifying the calorimetric counters of heat meters transmitted by water:

Main technical parameters of the device:

  • Heat transfer medium - water: Δ Tmin = 3°C (37,4°F) in the range of 10°C to 160°C (50°F to 320°F)

Test equipment for the verification of calorimetric counters of steam heat transfer meters:

Main technical parameters of the device:

  • Heat transfer medium - steam: temperature range 100°C to 599°C (212°F to 1110,2°F)

Primary standards:

  • AGILENT 34401A multimeter
  • RTD simulator temperature MEATEST M612
  • standard resistors for temperature simulation PT100 15 pcs
  • standard resistors for temperature simulation PT500 8 pcs
  • pulse counter CUP ITEX.IS
  • electronic stopwatch PRAGOTRON DTS 11
  • multimeter METRA M1T 390.1
  • resistance decade TETRA R 603

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