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Neminath Instruments

U Tube Viscometer

U-tube viscometer measures fluid viscosity by timing flow between two marked points in a U-shaped glass tube under gravity.

U Tube Viscometer

U Tube Viscometer as per BS/U and ASTM D446 for transparent liquids - Calibrated 

A U-tube viscometer, also known as a capillary viscometer, measures the viscosity of a fluid by timing how long it takes a specific volume of the fluid to flow through a narrow capillary tube under controlled conditions, such as a constant temperature and using gravity or suction. The measured time, along with the viscometer's calibration constant, is then used to calculate the fluid's viscosity. They are used in various industries, including chemical, pharmaceutical, and food and beverages, to control the quality of liquids and ensure they meet specific viscosity requirements. 

  • Material : Borosilicate glass 
  • Supplied with Certificate of Calibration @40°C / 100°C / Other temp(On request) 
  • Confirming Standard : Astm D445, Astm D446 
  • Total Length = 300mm, Sample Volume = 5-20 ml 

Cat No

Size

Viscometer Constant 

Viscosity range as per BS/U 

Viscosity range as per Astm D445 
NI/UT/01 0 0.001 0.3 - 3 Cst NIL
NI/UT/02 A 0.003 1 - 5 Cst 0.9 - 3 Cst 
NI/UT/03 B  0.01 2 - 15 Cst  2 - 10 Cst
NI/UT/04 C  0.03 6 - 45 Cst  6 - 30 Cst 
NI/UT/05 D 0.1 20 - 120 Cst  20 - 100 Cst 
NI/UT/06 E 0.3 60 - 500 Cst 60 - 300 Cst
NI/UT/07 F 1 200 -1000 Cst  200 - 1000 Cst 
NI/UT/08 G 3 600 - 4000 Cst  600 - 3000 Cst 
NI/UT/09 H  10 2000 - 15000 Cst  2000 - 10000 Cst 

 

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