1. Easy to carry 3. Easy to install 3. Simple operation 4. Stable displacement 5. High testing accuracy Function:Fruit hardness tester(hardness tester) divide into AGY-1, AGY-2, AGY-3 three kinds of types, Applied in test hardness of fruit, such as apple, pear, the watermelon, the banana etc. to judge the fruit mature degree, in favor of improved variety cultivation, pick time, process time, ...