Gardner Empty Viscosity Tubes

Gardner Bubble Viscometer Hollow Glass Tube

There are three levels to choose from: N, B, and A;

Knowing the approximate viscosity, choose the four standard tubes with the closest viscosity to the sample

Fill the sample tube with liquid, insert the cork, and then use a tube holder to insert the four letter tube and sample tube into the holder

Flip the holder and visually compare which letter is most suitable for the rise time of bubbles in the sample

The rise time (in seconds) of the sealed tube and sample can also be determined using a basic timer

Please pay attention to the following accuracy when conducting tests:

Temperature control: 1 ° C=10% error

Verticality control: 5 ° tilt=10% error

Tube inner diameter control: 0.1mm=2% error

Optional accessories: bracket and cork

	Sturdy metal frame with plastic handle holding 5 tubes in one row by means of spring clips. Flat ends allow holder to be set in vertical position in water bath or on table. Comes without tubes. Weights: 1/2 lbs net; 2 lbs shipping weight.

There are optional bubble viscometers available:

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In stock