ATZ series laboratory balances without internal calibration mechanism are designed for popular applications in laboratories, production, including applications that require legalisation. Transparent draft shield with cover (option) allows operation in rooms, where elimination of air movements is impossible. Big, backlighted display and functional keyboard allows easy and effective working with the scale.  All the scales have a rich set of special functions: counting of identical pieces, calculation of mass changes in percentage, recipe making, change of measurement unit (ct, lb, oz, ozt, gr, dwt), summing measurement series and others.RS232C connector allows connecting printer to print receipts and reports. Printed reports fulfill GLP procedures and quality systems. Optional USB interface (B type) enables connection to computer for data archiving.