Usage Tips:The Portable Pointer Fruit Hardness Tester -3 is a versatile tool designed for testing the hardness of fruits such as , pear, grape, and orange. This portable device provides accurate measurements to determine the firmness of fruits, ensuring quality and ripeness. It is a must-have tool for fruit growers, farmers, and food quality inspectors. The -3 Fruit Hardness Tester is easy to use, , and portable, making it convenient for on-the-go testing. With its precise results, it helps in assessing fruit maturity, storage conditions, and overall fruit quality. Measuring diameter:11mm/8mm Accuracy: 0.1 Scale values:11mm: 0.5-12kg/cm , 8mm: 1-24kg/cm Depth of indentation:10mm Both soft and hard can be measured Fruit hardness refers to the pressure (N) that a unit area (S) of fruit can withstand from a force measuring spring, and their ratio is defined as fruit hardness (P) P= P - The hardness value of the tested fruit is 105 Pa or (kilograms per square meter) N - The force exerted by the force spring on the of the fruit, measured in or kilograms S - The area of force on the fruit in square centimeters Attention:When connecting a small pressure , read with the circle scale. When connecting a large pressure , read with the outer circle scale. Colour:As Shown Material:aluminum stainless steel Package Contents: 1 * Fruit hardness tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.