Viscosity is a property of the fluid which opposes the relative motion between the two surfaces of the fluid in a fluid that are moving at different velocities. When the fluid is forced through a tube, the particles which compose the fluid generally move more quickly near the tube's axis and more slowly near its walls; therefore some stress (such as a pressure difference between the two ends of the tube) is needed to overcome the friction between particle layers to keep the fluid moving. For a given velocity pattern, the stress required is proportional to the fluid's viscosity.


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Cup Stand


Density "Specific Gravity" pound / Gallon Cup

Pounds per Gallon cup Specific Gravity Cups


Designed according to DIN 53211 standard and adapts to test thin liquid in low viscosity

Ford Cup



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Iwata Cup

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Krebs Viscometer

$2,500.00 $2,400.00

Zahn Cup

Zahn Cups are portable cups that quickly and economically measure the viscosity of a liquid in Zahn seconds.


Repair, calibration and certification. We service and repair many brands, give us a call to find out how can we help you get your instruments back in shape.
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