Calibration

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The scope of calibration performed by MTL includes various types of transducers, measurement chains and calibrators for measuring pressure or differential pressure, among others:
  • Calibrators
  • External pressure sensors for calibrators
  • Transducers
  • Electronic manometers
  • Vacuum gauges
  • Gas conversion devices
  • Pressure measurement chains
The scope of PCA accreditation: AP 017
In accordance with its accreditation, MTL conducts calibrations of temperature measuring instruments by means of a comparative method using electrical magnitude simulation and electrical thermometry. The most commonly calibrated instruments include:
  • Resistance thermometer sensors
  • Electric/electronic thermometers
  • Temperature measurement chains
  • Temperature recorders
  • Temperature calibrators
  • Temperature transducers
  • Temperature indicators
  • Temperature controllers
  • Temperature simulators
The scope of PCA accreditation: AP 017
MTL performs instrument calibrations for the following measurements: AC/DC voltage, AC/DC current, and DC resistance. The most commonly calibrated instruments include:
  • Calibrators
  • Multimeters
  • Gas conversion devices
  • Resistance calibration standards
  • Digital current meters
  • Digital voltage meters
  • Digital resistance meters
  • Fixed and adjustable resistors
The scope of PCA accreditation: AP 017
MTL provides the following services:
  • calibration and adjustment:
    • diaphragm gas meters
    • rotary gas meters
    • turbine gas meters
    • drum gas meters
    • turbine flowmeters
    • ultrasonic flowmeters
    • Venturi flowmeters
    • centrifugal flowmeters
    • thermal mass flowmeters
    • membrane flowmeters
    • aspirators
    • dust meters
    • rotameters
  • validation – in cooperation with the Central Office of Measures – of gas meters for diaphragm, rotor, and turbine gas meters.
The scope of PCA accreditation: AP 017, AB 278
In the scope of accreditation AB 278, the laboratory performs the following measurements:
  • geometric parameters of orifices,
  • inflow and outflow sections of installation kits for turbine, rotor, Venturi, and ultrasonic gas meters.
as well as outside the scope of accreditation:
  • Sprenkle straighteners,
  • orifice housings for Venturi gas meters,
  • annubars.

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