ɪn bˈoʊθ tˈɛsts, ðə tˈaɪm tˈeɪkən fɔːɹ sˈɪksti ˌɛmˈɛl ʌvðə lˈɪkwɪd, hˈɛld æɾə spəsˈɪfɪk tˈɛmpɹɪtʃɚ, tə flˈoʊ θɹuː ɐ kˈælɪbɹˌeɪɾᵻd tˈuːb, ɪz mˈɛʒɚd, jˈuːzɪŋ ɐ sˈeɪboʊlt vɪskˈɑːmɪɾɚ.
In both tests, the time taken for 60ml of the liquid, held at a specific temperature, to flow through a calibrated tube, is measured, using a Saybolt viscometer.