Timbangan Lantai  High precision industrial scale with water proof feature Common　Specification Tare Zero to Full weighing range Span adjustment HJ-K･････Manual operation Span Adjustment with external calibration weight HJR-K･････Semi automatic Span Adjustment with internal calibration weight Ingress Protection Rating IP65 Over error "o-Err" showed when Full weight range + 9 more digits over Temperature and humidity range 5 ～ 35℃、Up to 80ï¼… rh(without the dew condensation) Power source AC adapter Input 100-240VAC / Output 12VDC Output RS232C (Dsub 9P)