... , strawberry........ The fruit sclerometer (also called fruit hardness tester, penetrometer of fruit), this series UFL-31A, UFL-31B and UFL-31C three ... to testing apple, pear, strawberry, grape's fruit's hardness. It is suitable for the fruit tree scientific research department ... and the processing and so on by the fruits' hardness. Thus judge fruits's mature degree. This instrument volume ...