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Deadweight Testers
RK, PK II, and HK ModelsAmetek Deadweight Testers have earned a reputation as the “standard of primary standards.” Better than digital systems, Ametek pneumatic deadweight testers have accuracies up to ±0.015% and repeatability up to 0.005%. To meet the needs of various laboratories and process applications, Ametek manufactures three pneumatic deadweight tester models: Model RK, Model PKII, and Model HK.

  • Temperature coefficient: ±0.00167% of output pressure per °C, based on 23°C
  • Repeatability: ±0.005% of reading


    Pneumatic Deadweight Tester Models
      PK-II RK HK
    Accuracy: Class A: ±0.015%
    Class B: ±0.025% of reading
    Class A: ±0.015%
    Class B: ±0.025% of reading
    ±0.025% of reading
    Pressure: Min./Max.: 2 / 7 BAR     Min./Max.: 2 / 31 BAR Min./Max.: 10/100 BAR
    Flow rate: 30 l/hour, low range 
    310 l/hour, high range
    30 l/hour, low range
    1700 l/hour, high range
    85 l/hour, low range 
    1400 l/hour, high range

    Specification Sheets (pdf format)



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