Digital Fruit Firmness Tester, Penetrometer (Soft Fruit)

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The Agriculture Solutions digital fruit firmness tester is designed to easily, accurately, and repeatably measure the firmness, or ripeness, of many kinds of fruits and vegetables.

Digital Fruit Firmness Tester, Penetrometer (Soft Fruit)




  • Includes a 3.5 mm stainless steel tip
  • Range of 0.2 - 5.0 kgf/cm²
  • Comes with a hard carrying case
  • Mountable on a test stand for lab testing.
  • Auto power off
  • Includes operation manual
  • Comes with 1 year warranty

The hand-held fruit firmness tester is designed to quickly measure fruit firmness levels while using digital microprocessor technology to provide extremely accurate fruit firmness readings of almost any fruit or vegetable. Included with the meter is a 3.5 mm stainless steel tip that is great for repeatably penetrating the skins of fruits and vegetables of many kinds. 


Fruit firmness is considered one of the most accurate ways to test for a fruit maturity and quality. By measuring a fruit's firmness you can make decisions about when to harvest, which fruits seeds to breed, can make decisions on which fruits to export or transport and for example which fruits should be processed and which fruits should be sold fresh.


Fruit penetrometers are widely used by universities for fruit research and by fruit companies to make important business decisions. Please check with your local university extension office to find out what firmness levels are optimum for your growing climate.


Choosing the Right Firmness Tester: 


DFP001: Digital Fruit Firmness Tester, Penetrometer (Soft Fruit)

  • Range: 0.4 to 11 lbs (0.2 to 5.0 kg)
  • Uses: Softer fruit and vegetables such as pears, peaches, grapes, tomatoes, etc. 

DFP002: Digital Fruit Firmness Tester, Penetrometer (General Fruit)

  • Range: 1.1 to 33 lbs (0.5 to 15 kg)
  • Uses: Harder fruits and vegetables such as apples, pumpkins, melons, squash, etc. 

DFP003: Digital Fruit Firmness Tester, Penetrometer (Dual Tip)

  • Ranges: 
    • 11 mm Tip: 0.5 to 25 lbs (0.2 to 11 kg) 
    • 8 mm Tip: 0.8 to 48 lbs (0.4 to 22 kg)
  • Uses: Practically any fruit or vegetable




Range: 3.5 mm Tip: 0.4 to 11 lbs (0.2 to 5.0 kg)

Resolution: 0.01 to 22 lbs (10 kg); otherwise 0.1

Accuracy: ± 1% + 0.1

Units: kg, lb, N, Pa

Power: Four AAA batteries.

Environment: 32°F to 113°F (0 to 45°C); 0 to 90% RH

Dimensions: 8.0" x 2.4" x 1.3"

Weight: 230 g

Unit ship weight: 2 lbs

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