... 20t,30t,40t,50t 3.OIML III Crane scale for port Introductions:It can be used with a variety of ... lifting equipment, widely used in metallurgy, nonferrous metals, railway, warehousing, port, mining etcFeatures:1.Universal intrument:QCS-XC-type meter is ... full chargedIntrumentDC6V/2.5Ah Nickel-cadmium battery, work on 48 hour full chargedWireless transmission>=200m open terrain,450MHZ or 230MHZOverload ...