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Fruit Hardness Tester for Large, Hard Fruits

We're sorry, Item No. 167713 is no longer available. If you are having trouble finding a similar product, please contact us.

Fruit penetrometer tests ripeness of large, hard fruits

A fruit hardness tester, also known as a fruit penetrometer, is used to determine the ideal harvest and shipping times for many different types of fruits. Fruit firmness is the universally accepted measure of ripeness, and this unit measures the force required to push a plunger tip into the pulp of large, hard fruits. Digital hardness tester is easy to use and gives force readings in kilograms, pounds, newtons or pascals. Features automatic shutoff and hard carrying case. Requires four AAA batteries (not included). 8"L x 2-3/8"W x 13/16"H. Weighs 8.1 oz. Imported.
NOTE: Contact your local land grant university or extension service for optimal fruit hardness readings in your area.


Tip Size: 7.9 and 11.1 mm
Testing Range: 7.9mm = 2.84–156.50 lbf/sq. in.
11.1mm = 5.69–312.91 lbf/sq. in.
Resolution: <10 = 0.01
10–99.9 = 0.1
>100 = 1.0
Accuracy: ±(1%H + 1.4) lbf/sq. in.
Target Fruits: Pear, nectarine, kiwi, avocado, apple (use 11.1 tip for apples)

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