ASTM D1200 Viscosity Flow Cup
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The term “viscosity” is a parameter that describes a fluids resistance to flow. This resistance is a measure of the friction and the forces of interaction between the layers of a fluid. This friction is apparent when one layer of fluid is made to move against another The greater the friction, the greater the amount of force required to cause the movement – known as “shear”.
The process of flow through an orifice can often be used as a relative measurement and classification of viscosity. This measured kinematic viscosity is generally expressed in seconds of flow time which can be converted into centistokes (cSt) using a viscosity calculator.
Manufactured from high grade aluminium alloy with stainless steel orifices (where indicated), the Rhopoint Flow Cups are available with a range of UKAS / ISO 17025 certified standard oils to confirm the flow cup is measuring within specification.
|Material||High grade aluminium alloy, stainless steel orifice|
|Commodity Code||9027 8091|
|Weight||200 - 300g (depending on model)|
|Product||Order code||Orifice diameter||Viscosity range||Flow times|
|ASTM No.1 - 2.1mm (0.08”)||RL-A-FC-ASTM1||2.1mm (0.08”)||10 - 35cSt||55s - 100s|
|ASTM No.2 - 2.8mm (0.11”)||RL-A-FC-ASTM2||2.8mm (0.11”)||25 - 120cSt||40s - 100s|
|ASTM No.3 - 3.4mm (0.13”)||RL-A-FC-ASTM3||3.4mm (0.13”)||49 - 220cSt||30s - 100s|
|ASTM No.4 - 4.1mm (0.16”)||RL-A-FC-ASTM4||4.1mm (0.16”)||70 - 370cSt||30s - 100s|
|ASTM No.5 - 5.8mm (0.23”)||RL-A-FC-ASTM5||5.8mm (0.23”)||200 - 1200cSt||30s - 100s|
|The orifices are manufactured from stainless steel.|
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