Parameter: Model: GY-3 Scale display: 0.5-12 kg / cm 2 (x 10 5 Pa), 1-24 kg / cm 2 (x 10 5 Pa) Probe size: Φ8mm, Φ11mm Scale value: 0.1 kg / cm 2 (× 10 5 Pa), 0.2 kg / cm 2 (× 10 5 Pa) Pressing depth: 10mm Size: 140 * 60 * 30mm Weight: 1kg Features Hand-held, analog meter Light-weight, portable, includes protective carrying case On-site measurement of fruit firmness indicates maturity or ripeness Easy to read scale - trailing pointer indicates highest resistance point Plunger tip marked for accurate penetration depth Determine fruit quality during harvest, shipping, receiving,processing, storage Principle Fruit hardness refers to the fruit unit area (S) to withstand the pressure of the spring (N), their ratio is defined as the fruit hardness (P). P = N / S P-measured fruit hardness value of 105 Pa or (kg per square meter) N force force spring force on the fruit surface N Newton or (kg) S-fruit force area of square meters or (square centimeters) Instructions Before measuring: Turn the dial so that the drive pointer is aligned with the first tick line of the dial (GY-1 is the scale line 2, the GY-2 and GY-3 type are 0.5) 1 square centimeter of skin. Measurement: hand hardness tester, so that the hardness of the measured surface of the fruit, the indenter evenly pressed into the fruit, then drive the pointer to start driving instructions pointer rotation, when the pressure head to the scale line (10 mm) Indicate the pointer to indicate
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