Specification :

Auto shut off timing selectable: 120/ 180/ 240/ 360seconds/ off)
Zero Rang( 4% to full capacity)
Tare Range( 100% to full capacity)
Two calibration weight units: kg/ lb.
Open calibration weight
Power on zero-setting range: ± 10%
Zero range: ± 4% of full capacity
Three modes: Normal mode/ Setting mode/ Internal Auto Calibration mode
RS232 function
Scale Size: the height of FC3100 is 500mm;
the height of FC3200 is 10000mm
Power Source: Reachargeable 6x AA size batteries / 9v/ 500mA AC Adapter
Operating Temp& Humidity: 5-35oC; 25% ~ 95% RH