GY‑4 Digital Fruit Hardness Tester Fruit Penetrometer Sclerometer Durometer with LCD Display 110‑240V Item Type: Fruit Hardness Tester Material: ABS Model: GY-4 Battery Capacity: 1000mAh Purpose: Fruit hardness measurement Display: LCD display with backlight, screen digital forward and reverse function Data Output Function: data can be input to the computer through the data line for various analyses Peak Hold Function: keep the peak display until it is manually cleared Automatic Peak Function: keep the display peak time adjustable Product Model GY-4 Unit Kgf/cm² Range 0.2~15  Kgf/cm² (x 10^5/Pa) 0.4~30  Kgf/cm² (x 10^5/Pa) Indenter Value 1: 11.1mm / 0.4in 2: 7.9mm / 0.3in Division Value 0.01Kgf/cm² Accuracy ±0.5% Depth of Indenter 10mm / 0.4in Charging Time 4~6 hours Battery Continuous Use Time 8~10 hours Stability Temperature drift:0.2uV/℃(0~60℃) Zero drift:≤0.1%/8h/F.S Operating Temperature 5℃~35℃ Relative Temperature 0℃~60℃ Environment Humidity 15%~80%RH Working Environment No seismic sources and corrosive media around