... ,10t,15t,20t,30t,40t,50t 3.OIML III Crane scale for mining Introductions:It can be used with a variety of ... .Without calibration, it can support the use of electronic crane scale with various tonnage.2.Easy to operate:Instrument adopts the dot-matrix ... .4.Large-scale integrated appliances and modular design. It can be together used with a variety of contingency electronic weighing equipment.5 ...