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0660

Viscosity Range 406 - 1190 St Set with Certificate

Cert. Bubble Viscometer Z7-Z10

  • Kinematic viscosity in Stokes: 406- 1190
  • Set of 4 bubble tube standards Z7 - Z10 with 2 empty tubes (Grade A)
  • Certificate included
$2,020.00 €1,408.00 excl. taxes & shipping cost

Features

 

  • Economically priced
  • Certified bubble viscometers are available
  • Compliant with ASTM methods D1131, D1545, D1725
  • Long lasting shelf life up to 15 years
  • Ideal to measure the kinematic viscosity of resins and varnishes
  • Easy to compare and rank the sample with the bubble viscometer standards

Technical Attributes

  • Viscosity
    406 - 1190 St

Standards

ASTM

D1131 D1725 D1545

Procedure

Bubble Viscometer Procedure

  • Knowing the approximate viscosity, pick four standard tubes closest in viscosity to your sample
  • Fill the sample tube with liquid, insert a cork, and then using the tube holder 0577, insert the four lettered tubes and the sample tube into the holder
  • Turn over the holder and visually compare what letter best matches the rise time of the bubble in the sample
  • The rise time in seconds of the sealed tubes and samples can also be determined using a basic timer

Please be aware of the following accuracies when performing the test:

  • Temperature control: 1 °C = 10 % error
  • Verticality control: 5° slant = 10 % error
  • Tube I.D. control: 0.1 mm = 2 % error

 

ASTM D 1545 Timer Method

The tube has three amber ring marks at 27, 100 and 108 mm from the bottom. Fill the tube up to the 100 mm line, insert the cork down to the 108 mm line and turn the tube bottom up. Turn the tube around, start the stop watch when the air bubble crosses the 27 mm line and stop when the bubble crosses the 100 mm line.

Delivery Content

Set of 4 bubble tube standards Z7-Z10 (0661-0664)
2 empty tubes grade A (0571)
Certificate
Manual
Storage case
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