RS (R/S+ and RST) Rheometer Oil Fluids

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These Oil Fluids are for use with the RST series Rheometers. Like all Brookfield Viscosity Standards, the RST Oil Fluids are accurate to ±1% of stated viscosity values. RST Oil Fluids are supplied in 1/2 liter (1 pint) containers complete with certificate of calibration.



  • Accuracy: ±1% of viscosity value
  • Appropriate for use at shear rates greater than 500 sec-1
  • Recommended for Brookfield RST series Rheometers
  • Brookfield oil viscosity standards are hydrocarbon based, either mineral oil or polybutenes
  • Note: Other oil fluids are available - call for detailsBrookfield Viscosity Standards are accurate to ±1% of the stated viscosity and are certified by methods traceable to the United States National Institute of Standards and Technology (NIST).
  • The selection of one or two fluids will normally provide sufficient measurement points to verify calibration of your instrument. All fluids are supplied in 1/2 liter (1 pint) containers complete with a certificate of calibration.