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Brookfield


CAP 1000/2000
High Shear Rate Viscometers

Brookfield CAP 1000/2000 High Shear Rate Viscometers

The CAP Viscometer was originally designed to provide a high shear rate test for paints and coatings that simulates material behavior in rolling, brushing, and spraying applications. The versatility of the CAP design makes it a practical tool for any QC or R&D lab requiring quick easy testing of materials, regardless, of application, at high shear rates. Applications include paints, resins, foods, cosmetics, pharmaceuticals, dispersions, coatings, and inks.

  • Shear rates from 166 sec-1 to 26,600 sec-1
  • Variable shear rate (CAP 2000)
  • Cone and plate geometry
  • Small sample size (less than 1 ml)
  • Automatic cone gap positioning
  • Automatic viscosity range calibration
  • Rapid sample temperature control on plate surface
  • Digital settings and display (CGS or SI units)
  • PC control with RS-232 serial interface (CAP 2000) using Brookfield Capcalc software
  • Parallel printer interface to document data
  • Timed test capability
  • Sample number identification
  • Easy test set up and clean up
  • Rapid test performance
  • Two temperature ranges: 5C to 75C OR 50C to 200C
  • NIST traceable viscosity standards available
  • Choice of one cone spindle supplied with viscometer (extras available)
CAP1000 is a single speed viscometer:
  • 900 rpm at 60 Hz or 750 rpm at 50 Hz

CAP2000 is a variable speed viscometer:
  • 50 to 2000 rpm in 1 rpm steps
Cone Spindle Range Table
Cone Spindle No.
Cone Angle
Shear Rate (sec-1)
Full-Scale Viscosity Range (Poise)
Sample Size (µl)
CAP 1000 at 750 RPM
CAP 1000 at 900 RPM
CAP 2000 at 50-2000 RPM
01
02
03
04
05
06

0.45°
0.45°
0.45°
1.8°
1.8°
1.8°
13.3N
13.3N
13.3N
3.3N
3.3N
3.3N
.25-.25
.5-5.0
1.0-10.0
2.0-20.0
4.0-40.0
10.0-100.0
0.21-2.08
0.42-4.17
0.83-8.33
1.67-16.7
3.33-33.3
8.33-83.3
0.1-37.5
0.2-75.0
0.4-150.0
0.8-300.0
1.6-600.0
3.8-1500.0
67
38
24
134
67
30
N=RPM
Standard Fluids
BrookfieldJulaboKonica MinoltaPolyscienceConSpecRay-RanMoisture RegisterAsahi Glassplant, Inc.