321-9250-001 LS 220A SCS, CAPACITY: 220 g, READABILITY: 0.1 mg, V23 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.