Since the least count of the triple-beam balance is 0.1g, the uncertainty of any measurement made with this instrument (no matter how carefully the measurement is performed) is 0.05g, or 50% of the least count. ###>L'incertitude de n'importe quelle mesure faite avec cet instrument (la mesure est effectuée a 0.05g près), ou 50% de la plus petite graduation.