Features: Using Electromagnetic Balance sensor 1. Liquid crystal display 2. Auto zero tracking is allowed to turn on or select off characteristics 3. Self-calibration, Zero in range ability 4. Dynamic temperature compensation 5. Automatic trouble diagnosis 6. Toggle between units (g/oz/ct/ozt /gn/mo/t and dwt) 7. A below-balance weighing hanger is located on the bottom of the balance 8. Warning function of over loading 9. RS232C communication 9. Piece count, weighing in percent and animal weighing. Specifications: Model Capacity readable duplication linear pan size JA-1103 110g 1mg +_1mg ≤+_2mg Φ80mm JA-2103 210g 1mg ≤+_1mg ≤+_2mg Φ80mm JA-3103 310g 1mg ≤+_1mg ≤+_2mg Φ80mm JA-5103 510g 1mg ≤+-1mg ≤+_2mg Φ80mm