MEDIVEERSETHE PRACTICAL HUB
Helps direct liquid during transfer.
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Graduated measuring cylinder — reference view
Image: Lilly_M · Source / original · CC BY-SA 3.0Resized and converted to WebP; original colours retained.
Graduated measuring cylinder
Measuring cylinder · graduated cylinder
What is its use?
Measures liquid volume when moderate precision is sufficient.
Tap a number to locate its part. Zoom, drag or use full screen to inspect the reference. Models and graduations can differ; check the actual apparatus used in your laboratory.
How to recognise it.
- Tall narrow graduated vessel
- Pouring lip
- Broad stable base
It is generally more suitable for volume measurement than a beaker but less precise than appropriate volumetric glassware.
Point them out.
Choose a part to bring its numbered marker into view.
The science behind the reading.
Volume is read against a calibrated scale using the correct meniscus convention.
Think first. Then reveal.
Explain your answer aloud before opening it.
01Why use the smallest suitable cylinder?+
The scale resolution is generally better for the volume being measured.
02Why keep it on a level surface?+
Tilt changes the meniscus relative to the graduations.
03What causes parallax?+
Viewing the meniscus from above or below the correct eye level.
04Is a beaker equally precise?+
Usually not; beaker marks are generally approximate.
Read the references.
Teaching and clinical references are listed here. Image attribution and licence appear below the viewer.