3B Scientific Surface Tension Ring - Manual (Page 3)

3B SCIENTIFIC ® PHYSICS
1
Surface Tension Ring U8412160
Instruction Sheet
06/08 ALF
1. Description
The surface tension ring is used for measuring the
surface tension of liquids.
It consists of an aluminium ring with a sharp-edged
profile. Attached to it are three threads with a hook
for hanging it on a dynamometer.
2. Technical Data
Diameter: 60 mm
Weight: 5 g approx.
3. Sample experiments
Measuring the pulling-off force
Additional equipment needed:
1 Laboratory jack, type II U15020
1 Precision dynamometer, 0.1 N U20030
1 Beaker, 600 ml from set U14210
1 Stand base U13270
1 Stand rod, 470 mm U15002
1 Clamp with hook U13252
Distilled water
• Set up the stand rod in the base and attach the
clamp with hook near the top of the rod.