Product details 
 Rear-mounted sensor of the electromagnetic force, the balance built-in calibration weight, easy calibration at any time, with overload / underload alarm, full range, peeled, cumulative / regressive, the end of the hook weighing functions, which can meet the needs of a variety of laboratory quality analysis . Optional RS232 interface. 
 Performance parameters: 
 Model: 200-4 180-4 120-4 60-4 182-4 
 Maximum weighing: 205g 180g 120g 60g 30g/180g 
 Minimum reading: 0.0001g 30g/0.01mg 180g/0.1mg 
 Repeatability error: ± 0.0001g 
 Linearity error: ± 0.0002g 
 Pan size: ⊙ 90mm 
 Weight: 11kg 
 Dimensions: 195X411X266mm