321-9469-002 LS 3100C-C, Carat balance, CAPACITY: 3 100 ct / 620 g, READABILITY: 0.01 ct / 0.01 g, V22 The Series 321 meets and exceeds user expectations regarding design, functionality and reliability of a modern weighing instrument. Swiss quality combined with the latest technology make the Series 321 the first choice for both laboratories and industrial weighing applications where ease-of-use, efficient measurements and reliable results are required. With Self Calibration System (SCS) is included with the 321 LS model as standard.