Brookfield DV2T Viscometer - Manual (Page 73)

Brookfield Engineering Labs., Inc. Page 73 Manual No. M13-167-B0614
Appendix F - Calibration Procedures
The accuracy of the DV2T is verified using viscosity standard fluids which are available from
Brookfield Engineering Laboratories or your local Brookfield agent. Viscosity standards are
Newtonian, and therefore, have the same viscosity regardless of spindle speed (or shear rate).
Viscosity standards, calibrated at 25°C, are shown in Table F-1 (Silicone Oils) and Table F-2
(Mineral Oils).
For more help, you can go to the website,
www.brookfieldengineering.com, and download the video.
Container size
: For Viscosity Standards < 30,000 cP, use a 600 mL Low Form Griffin
Beaker having a working volume of 500 mL.
For Viscosity Standards ≥ 30,000 cP, use the fluid container.
Inside Diameter: 3.25”(8.25 cm)
Height: 4.75”(12.1 cm)
Note: Container may be larger, but may not be smaller.
Temperature
: As stated on the fluid standard label: ( + /-) 0.1 °
C
Conditions
: The DV2T should be set according to the operating instructions. The
water bath must be stabilized at test temperature. Viscometers with the
letters “LV” or “RV” in the model designation must have the guard leg
attached (see Appendix G for more information on the guard leg).
Normal 25ºC Standard Fluids
Viscosity (cP) Viscosity (cP)
High Temperature Standard Fluids
Three Viscosity/Temperatures**
5 5,000 HT-30,000
10 12,500 HT-60,000
50 30,000 HT-100,000
100 60,000
500 100,000 **25 °C, 93.3°C, 149°C
1,000 Refer to Brookfield catalog for more information
Table F-1
MINERAL OIL VISCOSITY STANDARD FLUIDS
BEL Part No. Viscosity (cP) 25 °C
B29 29
B200 200
B600 600
B1060 1,060
B2000 2,000
B10200 10,200
B21000 21,000
B73000 73,000
B200000 200,000
B360000 360,000
Table F-2