... digital calibration and function setting mode10,,With external switch protection for calibration and function setting11,can choose back zero range 12,Tracking and ... hold A/D conversion mode 13,Can control analog keys by RS232 or RS485 14,Provide digital ... /10000,1/40000(highest-level)Display section Display tubeLED Digital display6 bits,18mm height;Weight display5 bitsUnit g,kg ...