Measuring cylinders

A tall-form cylinder is narrower, so each graduation mark is further apart and you read the volume more precisely. Choose it for measuring liquids in daily work. A low-form cylinder is wider and more stable, easier to fill and less likely to tip over, which helps with large volumes and busy benches. Examples: the PP tall-form cylinder, 1000 ml, 10 ml divisions, 5 pieces, and the PP low-form cylinder, 1000 ml, 20 ml divisions with raised graduation, 5 pieces. See all measuring cylinders.

Borosilicate glass 3.3 resists most chemicals and solvents, can be cleaned at high temperature and does not take up colour or odour. Choose it for organic solvents and analytical work, for example the low-form cylinder, 500 ml, 10 ml divisions, Boro 3.3, 2 pieces. Plastic does not break when dropped, which suits teaching labs and aqueous solutions. PP is light and robust, as in the tall-form cylinder, 100 ml, 1 ml divisions, 10 pieces. Check the temperature and solvent limits of a plastic before use.

The class gives the permitted volume error. Class A cylinders have the tighter tolerance and suit work where the volume must be documented. Class B has roughly twice the tolerance and is fine for routine preparation. Both classes are defined by ISO 4788. Class A examples are the PMP tall-form cylinders, 100 ml and 250 ml, 2 ml divisions, each 2 pieces. A class B example is the glass cylinder, 1000 ml, Boro 3.3, 1 piece. Need certificates? Ask sales@luminixhealth.com.

Use a measuring cylinder to measure out a volume quickly, for buffers, media or rinsing, where a small error does not matter. Use a volumetric flask when you make a solution up to an exact volume, for standards and calibration solutions: it has one mark and a much tighter tolerance. For transferring exact small volumes, a pipette is the better tool. A practical cylinder for routine work is the PP tall-form cylinder, 250 ml, 2 ml divisions, 5 pieces. Exact volumes: volumetric flasks.

A measuring cylinder is the tall graduated vessel for a volume that does not need volumetric-flask accuracy. Class A and class B differ in tolerance. Reading the bottom of the meniscus, at eye level, is part of using it.

Volumetric glassware is glass that has been calibrated to contain or to deliver one stated volume at a reference temperature. That calibration is the whole point. Class A and class AS have a tighter tolerance than class B. A volumetric flask contains. A pipette and a burette deliver. A measuring cylinder is the coarser reading, used when the volume is not the result. The classes sit under ISO laboratory glassware. The chain back to the unit of volume is the work of the BIPM and of NIST.

This shelf belongs to Volumetric glassware, inside Labware. Luminix Health distributes this range for laboratory use.

The neighbouring shelves are Volumetric flasks, Burettes, Mixing cylinders and Volumetric accessories & certificates. The category above this shelf is Volumetric glassware.

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