Strong ABS construction and an integrated label printer enhance functionality for the AE 503 label printing indicator, making it an ideal option for weighing, parts counting, percentage weighing, dynamic weighing, check counting, check weighing and averaging. A large, easy-to-read backlit LCD screen features 1. 3-inch/34mm-tall digits and symbols to show over, under or within limits during check weighing. A sealed, color-coded keypad allows quick and easy configuration. Using the built-in printer, add barcodes, QR codes, pictures and custom logos to the 50mm-wide printed labels. Key Features Vivid, backlit LCD easily visible in any lighting conditions Programmable backlight can be set to "always on," "always off" or "light only when weighing" Color-coded keys facilitate quick recognition of the most frequently used buttons RS-232 interface provides speedy connection to computers and printers Rugged construction stands up to industrial use Built-in printer can print weight, QR codes, bar codes and customized labels in numerous languages Rechargeable battery included for operation almost anywhere Programmable auto power-off to save energy Zero-tracking feature ensures display returns to zero reading Parts counting optimization automatically refines piece weight as parts are added Checkweighing with audible alarm External calibration allows for verification and adjustment with weights Quick and easy configuration using the keypad User-selectable scale division Adam Connect compatible for wireless data transfer to printers and PCs Ideal Use Cases Weighing Parts counting Percentage weighing Check counting Averaging Checkweighing Dynamic animal weighing Accumulation Display hold Specifications Product Type Weight Indicator Capacity Options Selectable Readability Options Selectable Weighing Units g,kg,lb,oz,ct,dr,mm,T,tonne Interface RS-232 Calibration External calibration Display Backlit LCD with 1.3" / 34mm high digits Power Supply 12VDC 3A adapter / Internal rechargeable battery Operating Temperature 0° to 40°C / 32° to 104°F Construction ABS plastic Warranty 3 years Resources Data sheet Manual