Presenting the new line of precision and analytical balances from American Weigh, The PN-Series is built for accuracy and dependability, Features several weighing units as well as a counting feature, An RS232 port and cable are included for connection to a computer, 210 x 0, 01g 10 weighing modes: gram carat pound ounce troy ounce grain pennyweight Newton Tola and TARParts counting Glass breeze-break with sliding doors RS-232 communication for connection to a computer - Cable included Includes CD with weight display program Easy calibration - Span or Linear, The platform is 5inches in diameter and that the glass is not removable, SKU: AWS094