Brookfield DV2+Pro Viscometer Manual do Utilizador descarregar pdf (Página 79)

100

101

Brookeld Engineering Labs., Inc. Page 79 Manual No. M03-165-F0612

Appendix E - Calibration Procedures

TheaccuracyoftheDV-II+Proisveriedusingviscositystandarduidswhichareavailable

fromBrookeldEngineeringLaboratoriesoryourlocalBrookeld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 E-1 (Silicone Oils) and Table E-2

(Mineral Oils).

For more help you can go to the website,

www.brookeldengineering.com,anddownloadthevideo.

Container size: ForViscosityStandards<30,000cP,usea600mlLowFormGrifnBeaker

having a working volume of 500 ml.

For Viscosity Standards

≥30,000cP,usetheuidcontainer.

 InsideDiameter: 3.25”(8.25cm)

 Height: 4.75”(12.1cm)

 Note:Containermaybelarger,butmaynotbesmaller.

Temperature: Asstatedontheuidstandardlabel:(+/-) 0.1°C

Conditions: TheDV-II

+Pro 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 page

65 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 **25ºC, 93.3ºC, 149ºC

1,000 Refer to Brookeld catalog for more information

Table E-1

MINERAL OIL VISCOSITY STANDARD FLUIDS

BEL Part No. Viscosity (cP) 25ºC

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 E-2

1 2 ... 74 75 76 77 78 79 80 81 82 83 84 ... 100 101

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