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Home  >>  Products  >>  Viscosity  >>  Byko-Visc DS
Byko-Visc DS

Stormer Type Viscometer

ASTM D562

Portable Field Viscometer

The byko-visc DS has a direct digital readout of Krebs units (KU), centipoise (cP), and grams (gm). The instrument rapidly calculates viscosity values.

The digital stormer maintains the rotational speed at 200 rpms in compliance with ASTM D562. The viscometer automatically starts and stops the motor shaft rotation by lowering or raising the instrument stand.




FEATURES TECHNICAL DATA MORE INFO PRICE LIST
 

 

Features

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  • Easy to use - automatic rotational speed control

  • Automatically calculates KU, centipose, and gram units

  • Printer interface for test report output

  • Instrument base accessory to fit quart, pint, 1/2 pint containers

  • Calibrated with NIST traceable oils

  • Universal power supply - One model for global use

 

Technical Data

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Technical Data
Range: 40-141 KU; 32-1090 grams; 27-5274 cP*
Resolution: 0.1 KU, 1.0 gm, 0.7 cP
Accuracy: within ± 1 % full scale
Repeatability: within ± 0.5 % full scale
Spindle Speed: 200 rpm, ±0.1 rpm
Voltage: 100 - 230V/ 50-60HZ
Operating Temperature: 10 - 40 °C (50 - 104 °F)
Dimensions: 20 X 11 X 15 in
Shipping Weight: 10 kg (20 lbs)

 

Conversion between Stormer Viscometer Krebs Units and Viscosity Cup Drain Time

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The three reduced size charts, at left. are only for illustrating this conversion method. Ask for complimentary full size (8-1/2" x 11") Krebs Units Conversion Charts and latest Krebs Stormer literature.

Three Step Conversion Procedure

Step 1: Knowing the Krebs value, convert this value to Centipoise viscosity. On the attached Krebs Units to Centipoise conversion chart, read vertically from the known Krebs unit to the curve and then horizontally to the left to the Centipoise value. Record this value.

Step 2: Convert the Centipoise value for the test material in question to Centistokes. On the attached Centipoise - Centistoke conversion chart, locate the Centipoise value from Step 1 on the vertical scale.Read horizontally to the right from this value to the Weight Per Gallon or Specific Gravity line, estimating values between lines, applicable to the test material in question. From this intersection read directly downward to the horizontal Centistoke scale and record this value.

Step 3: Determine the drain time in seconds for the viscosity cup in question from the Centistoke value from Step 2. For this conversion, refer to the Gardco Viscosity Cup Equivalent Chart or the conversion chart furnished with each Gardco produced viscosity cup. Only viscosity cups accommodating the highest range of viscosity are satisfactory for this conversion as most Krebs measurements are in the range from 500 to 1400 Centistokes.

For satisfactory results, do no use a viscosity cup above its recommended top limit. This conversion is accurate only for Newtonian or near Newtonian materials. Viscosity of materials that deviate greatly from these true liquids may not be “seen” the same by the Stormer and viscosity cup methods of measurement.

Please refer to the appropriate cup conversion chart. If you do not have one please contact us at 1-800-762-2478 or 954-946-9454.

 

Prices

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Prices subject to change    Prices listed in US dollars for domestic shipments within US, Canada, & Mexico only    Export orders require quotations - click here for a quote     For more info call us 1-800-762-2478 or 954-946-9454.
Item Number Item Prices

Viscometer, 1 paddle spindle, adapter for 1 pint, 1/2 pint containers and operation manual
VI-B8324 Byko-Visc DS $2,565.00
VI-B8340 Krebs Replacement Paddle Spindle 105.00
VI-022510 Krebs Paste Spindle 186.00
PU-G271 Conversion charts for conversion from Kreb units to cup drain times Free
Viscosity Standard Oils
VI-028010 Viscosity Centipoise 328, Krebs Unit KU61 113.00
VI-028120 Viscosity Centipoise 696, Krebs Unit KU73 113.00
VI-028230 Viscosity Centipoise 1040, Krebs Unit KU87 113.00
VI-028340 Viscosity Centipoise 1582, Krebs Unit KU99 113.00
VI-0284 Viscosity Centipoise 2000, Krebs Unit KU106 113.00



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