HPE III - FFF Non-Destructive Digital Penetrometer

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The new generation HPE is a Non-Destructive testing device for determining the firmness of fruit pulp.

For many produce companies, fruit firmness is an essential quality benchmark. The harvest dates of many fruits, as well as shipping and storage times, are often specified by their firmness. The HPE III can be used with interchangeable anvils to check the firmness of peaches, cherries, tomatoes, strawberries, apples, avocados, melons, mangoes and much more without destroying the sample.

Test Anvils | Commodities:

  • 0.10 cm2 Cylinder | Peaches, Apricots, Plums
  • 0.25 cm2 Cylinder | Cherries, Melons, Tomatoes, Grapes, Blueberries
  • 0.50 cm2 Cylinder | Strawberries, Watermelons, Broccoli, Tofu, Meat
  • 5.00 mm Ø Ball | Avocados, Asian Pears, Papayas, Apples, Mangoes, Pears, Mandarin Oranges, Tangerines
  • 2.50 mm Ø Ball | Cucumbers, Carrots, Radishes, Kohlrabi
  • 6.35 mm R Ball | Potatoes, Bananas, Fish


  • Portable design is suitable for indoor or outdoor use
  • Non-destructive - no need to peel off the fruit
  • Large LCD display
  • Backlight for low light conditions
  •  Adjustable measuring time
  • Handle sleeve for constant contact pressure
  • Memory holds up to 300 measurements
  • Time and date are stored with the measured values
  • RS-232 cable with USB port provided for data transfer and charging
  • Supplied complete with one test anvil, USB/RS232 cable and a hard carrying case


  • Range: 0 to 100 Fff
  • Accuracy: ±0.5 Fff
  • Resolution: 0.1 Fff
  • Load: 0 to 12.5 N
  • Spring Force: 806.50 mN
  • Power: 3.6V lithium battery
  • Weight: 0.7 lbs. (0.3 kg)
  • Dimensions: 6.2" x 2.7" x 2.0" (160 x 70 x 50 mm)


Anvil Chart: