... 's mature degree GY-1, GY-2 and GY-3 three kind of models. Brief descriptionFruit Sclerometer ... Tester), this series includes GY-1 GY-2 and GY-3 three models, used to judge fruits’ maturity ... by testing hardness of fruit such as apple, pear, watermelon, banana and ... , fruit company, fruit tree farm. colleges and universities,ect.Scale value 1-24kg/cm²(x105pa ...