Krebs Unit Viscometer Model KU-2

Digital Direct Display of Viscosity in Krebs Units

Measures Paints, Coatings And Related Materials

• Direct-reading LED display, all models
  • Krebs Units (KU)
  • Centipoise (cP)
  • Grams (gm)
  • Display output to parallel printer
• Easy to use
  • No weights
  • Simplifies an established test technique
• Used in
  • Quality control
  • Research and development
• Specification References
  • ASTM D562
  • ASTM D856
  • ASTM D1131
  • International Specifications
• Options
  • Air purge with electrical
    system interlock
  • Model KU-2 uses standard 1 pint can. Adapters are
    provided to accommodate 1/2 pint and quart cans.

Technical Data

Range:

40 to 141 KU; 32 to 1099 gm; 27 to 5,274 cP

Resolution:

Within 0.1 KU or 1 gm

Accuracy:

Within ±1% of full scale

Reproducibility:

Within ±0.5% of full scale

Operating Temperature:

10°C to 40°C

Spindle Speed:

200 rpm ±0.1rpm

Measuring Containers:

1 pint, 1/2 pint, 1 quart cans

Power Line Requirement:

110 or 220 volts, 50 or 60 Hz

References:

ASTM D562, D856, D1131

Shipping Weight:

22 lbs. (10 kg)

Viscosity Standard Oils

Viscosity Standard

Viscosity Centipoise

Krebs Unit KU

VI-028010

328

61

VI-028120

696

73

VI-028230

1040

87

VI-028340

1582

99

VI-0284

2000

106

Operation

Samples are tested in standard paint industry cans (1 pint, 1/2 pint, or 1 quart) held by a centering and retaining fixture. The container is filled to within 3/4" (20mm) of the top and located on the viscometer base

The operating lever has three positions:

• Up - Spindle stationary, drive motor off
• Down - Spindle rotating, sample being measured

The displayed reading can be held by depressing the HOLD switch at any time. With the viscometer in the
HOLD configuration, the display may be switched to compare the Krebs (KU) or Centipoise (cP) reading
with the associated gram (gm) reading. If the spindle is stalled, no damage will result, as a torque-limiting
circuit protects the spindle drive.

For best reproducibility of sample measurements, the test material should be preconditioned for temperature and shear stability.

Please note:

• The cP reading from the KU-2 will not necessarily agree with cP values
  measured with other instrumentation due to:
  1. Unique shear rate of the KU-2 paddle spindle.
  2. Uniqueness of the Krebs unit scale. (The centipoise value should not be used for purposes of calibration.
• Use only Brookfield KU mineral oils for calibration check.
• The cP readings will only be valid when using the paddle spindle.
• The paste spindle may not be used to determine cP.

Available Items

Item Number

Item

VI-020102

Krebs Unit Viscometer - Standard Model, 115V

VI-020104

Krebs Unit Viscometer w/ Air Purge, 115V

VI-020112

Krebs Unit Viscometer - Standard Model, 230V

VI-020114

Krebs Unit Viscometer with Air Purge, 230V

TH-02280

Stormer ASTM 49C Thermometer (20-70°C x 0.2°)

TH-02280/C

Stormer ASTM 49C Thermometer w/ NIST Certificate

PU-G271

Conversion charts for conversion from Kreb units to cup drain times

Spindles

VI-0223

Krebs Replacement Spindle

VI-0225

Krebs Paste Spindle