Cobb Absorption Tester RT-411A

[@kafriel410]

The video is slightly misleading. The test does not require spinning the handle 'several times' while the specimen is loaded in the device.

[@RightInstrumentCoLtd]

There are two test methods, flip and flat, depending on the test standard.

[@Flat_Earth_Sophia]

So a rating of 2? Is that good or bad?

[@RightInstrumentCoLtd]

Perform according to your test standards.