 29.10.2012 The HFH80 Series Ripeness/Hardness Tester is a handheld compact penetrometer for fruit firmness and some vegetable hardness testing, the universally accepted measure of ripeness. This tester is the growers’ indispensable tool for knowing when to pick and ship. The HFH80 Series fruit tester measures the force required to push a plunger tip of specified size into the fruit pulp. The force reading assists in determining the appropriate picking time or monitoring fruit softening during storage. Because of the number of fruit and vegetable varieties, geographical locations and other variations, the appropriate firmness for harvesting will vary. User must combine experience and expertise to establish the firmness value that applies to their specific variety and locale.
Specifications
Operating Conditions
Temperature: 0 to 45°C (32 to 113°F)
Humidity: Below 90% RH
Dimensions: 204 H x 62 W x 33 mm D (8.0 x 2.4 x 1.3")
Weight: 230 g (8.1 oz) (not including batteries)
Display: 4-digits,10 mm (0.4") LCD
Ranges:
HFH81: 0.2 to 5.0 kgf/cm, tip size 3.5 mm (0.14")
HFH83: 0.2 to 11.0 kgf/cmІ, tip size 11.1 mm (0.4") 0.4 to 22.0 kgf/cmІ, tip size 7.9 mm (0.3")
Resolution:
0.01 if reading <10
0.1 if 10 <reading <99.9
1 if reading >100
Unit Conversion:
kgf (kgf/cmІ)
lbf (lbf/cmІ)
N (N/cmІ)
Pa
Accuracy: ±(1%H 0.1)kgf/cmІ
Power Supply: 4 x 1.5V “AAA” batteries (included) | 
