Intelligent Weighing Technology SEK-6K HS Series Checkweighing, 13 lb x 0.0002 lb

HI-OK-LO Check status indicator / programmable audio output / Ideal for portion control, checkweighing or coucnting - ensures fast throughput with fewer mistakes
Zero tracking - Ensures that you always start weighing at zero
Digital motion filter at zero and weighing - Automatically adjusts for adverse environmental conditions
Auto-calibration function - ensures accuracy
Configurable RS 232 interface - Allows communication with peripheral data collection and printing instruments
Internal rechargeable battery - Portability - can be used in various locations without access to a wall outlet (battery life - approximately 90 hours - light tower requires 120 VAC)
Tri-color light tower - easy to view by operator or supervisory staff 

Also, check out the Calibration Kit, Temperature by A&D