Product DescriptionUnits of measurement can be switched between Grams (g), Milligrams (mg), Carats (ct), Ounces (oz). This scientific scale also features full range tare, overload protection and counting function. This scale measures weights that range up to 220g, with the precision of 0.1mg, And this scale comes with a draft shield which prevents measurement error. Precision balance scale with large backlit LCD provides clear visibility of weighing results. Built with a die-cast metal housing and large easily accessible transparent weighing chamber 99 datas can be stored. Highly accurate method of measurement and easily calibrated. Analytical Balances are far more accurate than top load scales; Underhook weighing availability makes it easy to ascertain the mass of hard to handle substances such as liquid; Underhook weighing capability also makes for easy and accurate density calculations. Product ParametersProduct name: 0.1mg Electronic Digital Analytical Balance Power: AC110V~240V Adapter 1. Electromagnetic force compensation technology 2. Aluminum alloy die cast base and stainless steel pan 3. Super bright LCD display with backlight 4. RS232 Interface 5. Clear glass windshield supplied as standard 6. Overload protection, bubble level adjustment, under hook 7. Full capacity substraction 9. Stabilization time, 3-5 seconds 10. Check weighing, piece counting, percentage weighing 11. Universal power adapter supplied as standard 12. Certificated calibration weight supplied as standard 13. Internal calibration for choice