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EZ Zahn Cup No.5

  • Range in Centistokes: 161 - 1401
  • Range in Seconds: 10 - 60
$146.00 excl. taxes & shipping cost


  • Ideal for in-plant viscosity measurement tests

  • Easy to use

  • Precision made for reproducible results

  • Orifice diameters adjusted at the factory for appropriate results with applicable NIST traceable Newtonian oils

  • In compliance with ASTM D 4212

Technical Attributes

  • Range
    161 - 1401 cSt
  • Efflux Time
    10 - 60 sec
  • Weight
    0.2 kg
  • Weight
    0.4 lb





Each cup has a 12-inch loop handle to allow the cup to be dipped by hand into a liquid container. At the center of this handle is a finger-ring for holding the cup in a vertical position during use. Results should be reported in Zahn-Seconds at a specified temperature for a particular cup.

  • Conversion of Zahn-Seconds to Centistokes (ASTM D 4212):
    Centistokes = K * efflux time - (C / efflux time)
  • Conversion of Centistokes to Centipoise:
    Centistokes x Specific Gravity

  Conversion Factors:     K = 23.56            C = 744

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