Brookfield DV-II+ Digital Viscometer Manual de usuario descargar pdf (Pagina 27)

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SA-70 .677 - 67.7 98.4 - 98,416 1,050 - 1,050,000 2,100 - 2,100,000 8,400 - 8,400,000

(1 - 100 RPM)

Spiral Shear Rate

Spindle (1/SEC) LVDV-II+ RVDV-II+ HADV-II+ HBDV-II+

Viscosity (cP)

The maximum viscosity ranges correspond to a spiral spindle rotational speed of 1.0 RPM. Lower

spindle speeds are possible but the pumping action within the spiral chamber may not be sufficient to

provide meaningful vicosity data.

T-A 156 - 62,400 2,000 - 400,000 4,000 - 800,000 16,000 - 3,200,000

T-B 312 - 124,800 4,000 - 800,000 8,000 - 1,600,000 32,000 - 6,400,000

T-C 780 - 312,000 10,000 - 2,000,000 20,000 - 4,000,000 80,000 - 16,000,000

T-D 1,560 - 624,000 20,000 - 4,000,000 40,000 - 8,000,000 160,000 - 32,000,000

T-E 3,900 - 1,560,000 50,000 -10,000,000 100,000 - 20,000,000 400,000 - 80,000,000

T-F 7,800 - 3,120,000 100,000 -20,000,000 200,000 -40,000,000 800,000 - 160,000,000

T-Bar

Spindle LVDV-II+ RVDV-II+ HADV-II+ HBDV-II+

Viscosity (cP)

DIN Adapter Accessory

Spiral Adapter

Cone/Plate Viscometer

Helipath with T-Bar Spindles

In taking viscosity measurements with the DV-II+ Viscometer there are two considerations which

pertain to the low viscosity limit of effective measurement.

1) Viscosity measurements should be accepted within the equivalent % Torque Range from

10% to 100% for any combination of spindle/speed rotation.

2) Viscosity measurements should be taken under laminar flow conditions, not under turbulent

flow conditions.

The first consideration has to do with the precision of the instrument. All DV-II+ Viscometers have a

full scale range precision of (+/-) 1% of any spindle/speed rotation. We discourage taking readings below

85 0 - 129 1.2 - 3,812 12.2 - 5,000 24.4 - 5,000 97.6 - 5,000

86 0 - 129 3.4 - 10,000 36.5 - 10,000 73.0 - 10,000 292.0 - 10,000

87 0 - 129 11.3 - 37,898 121.3 - 50,000 242.6 - 50,000 970.4 - 50,000

DAA Shear Rate

Spindle (1/SEC) LVDV-II+ RVDV-II+ HADV-II+ HBDV-II+

Viscosity (cP)

CP-40 0.0 -750 0.30 - 1,028 3.3 - 10,900 6.6 - 21,800 26.2 - 87,200

CP-41 0.0 -200 1.15 - 3,840 12.3 - 41,000 24.6 - 82,000 98.4 - 328,000

CP-42 0.0 -384 0.60 - 2,000 6.4 - 21,300 12.8 - 42,600 51.2 - 170,400

CP-51 0.0 -384 4.85 - 16,180 51.2 - 171,000 102.4 - 342,000 409.6 - 1,368,000

CP-52 0.0 -200 9.33 - 31,100 98.3 - 328,000 196.6 - 654,000 786.4 - 2,624,000

Cone Shear Rate

Spindle (1/SEC) LVDV-II+C/P RVDV-II+C/P HADV-II+C/P HBDV-II+C/P

Viscosity (cP)

1 2 ... 22 23 24 25 26 27 28 29 30 31 32 ... 50 51

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Brookfield DV-II+ Digital Viscometer Manual de usuario Pagina 27

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