Kitchen household food

Two specifications:

①: Double-precision 3 kg/0.1 g (1 g), the accuracy within 2 kg of weighing items is 0.1 g, the starting weight is 0.3 g, the error is within the range of plus or minus 0.3 g, and the accuracy of weighing items above 2 kg is 1 g, the error Plus or minus 1 gram, maximum weighing 3 kg;

②: 10kg/1g, accuracy 1g, lifting scale 3g, error within plus or minus 3g, maximum weighing 10kg