Specifications include, but are not limited to: 1. General Specifications 1.1 Balance capable of providing comparison weighing at least to OIML Class Class F1, M1, M2, M3 tolerances. 1.2 Acceptable operation in temperatures from 15°C to 30°C and relative humidities from 40 % to 60 %. 1.3 Provide all USB cables required to control the unit from a MS Windows 7 computer. 2. Capacity 2.1 Minimum capacity range of 0 kg to 50 kg (0 kg to 60 kg preferred). 3. Division Size 3.1 Maximum of 0.01 g (10 mg) division size. 4. Repeatability 4.1 ABA repeatability of 25 mg (or less) at the nominal load. 4.2 ABA repeatability of 10 mg (or less) at low load. 5. Indicator 5.1 Inclusion of at least 1 indicator capable of controlling a minimum of two balances, selecting one balance at a time, and displaying the balance reading. 5.2 120 V, 60 Hz single-phase electrical operation. 5.3 USB or RS232 communications capability for use with SICS level 2 (or more advanced) communication. 5.4 Capable of displaying readings in multiple units (only one unit used at any given time), including grams and kilograms. 6. Accessories 6.1 Inclusion of all necessary electrical cables required to operate balance and indicator. 6.2 Inclusion of all necessary communications cables required to operate balance and indicator (including one for USB or RS232 communication to a Windows 7 computer).