Digital Rotational Viscometer
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Digital Rotational Viscometer

Model: PNJ-1B

TOP INSTRUMENT Digital Rotational Viscometer has characteristics of high measurement sensitivity, reliable measurement data, convenience, and good looking. It can be used to determine absolute viscosity of Newtonian liquids and apparent viscosity of Non-Newtonian liquids. It has been widely used to determine viscosity of oil greases, paints, plastic materials, pharmaceuticals, coating materials, adhesives, washing solvents, and other fluids.
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  • PNJ-1B

  • TOP


  • Adopting advanced mechanical design technology, manufacture technique and microcomputer controlling technology, it can collect data accurately.

  • Using white background light and ultra-bright LCD, it can show test data clearly.

  • According to the measurement of the viscosity of the liquid to choose the speed with the use of speed, meet the requirements of different range of measurement.

Measurement range

10 mPa·s~2000000 mPa·s


No.1~No.4, four spindles

Rotation speed


Measuring accuracy

±1% (F·S)

Printing output

needle printer

Communication port


Power supply

AC 220 V±10%, 50 Hz±10%

Ambient temperature

5 ℃~35 

Relative humidity


Optional parts:

  • HWY-10 Circulation water bath.

  • Double-layer sample cup.

  • No.0 spindle.

  • Small sample adapter.

To Make The World Closer To The Truth
ZHEJIANG TOP INSTRUMENT CO.,LTD., as a subsidiary of TOP Cloud agri, is a high-tech enterprise specializing in the R&D, manufacturing, sales for laboratory equipments, and provision of comprehensive laboratory solutions.


 +86-571-86059660
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