1.quick operation 2.self-calibration SL-SeriesWith self-calibration and counting functions,taring in an entire range,built-in transformer,easy and quick operation and optional RS -232C output interfaceModelMaximum Capacity(g)Readability(mg)Pan sizeUnit price($)SL2022000.01Φ110 SL2522500.01Φ110 SL200120000.1188X185 SL300130000.1188X185 SL400140000.1188X185 SL500150000.1188X185 SL2012000.1Φ110 ...