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Wireless electronic crane scale is a good measuring instrument of weighing suspended goods. Weighing data is transmitted by means of wireless. Scale is segregated from display indicator. Technical parameter: 1 Accuracy class: OIML III 2 A/D conversion speed: ≥50 times/second 3 Maximum inner code: 1 million codes/ time 4 Load cell bridge power supply: DC5V 5 Display: LCD lattice Chinese display(backlight at night) 6 Data storage: store 2000 groups of weighing data 7 Power supply: Nickel and hydrogen battery group, working 40 hours if it is charged once 8 Environment and temperature: scale body -10°C-50°C; indicator 0°C-40°C 9 Receiving or launching maximum distance: 200 meters(on the open land) 10 Wireless frequency: 450MHz 11 Capacity (t) : 3t, 5t, 10t, 15t, 20t, 30t, 40t, 50t