Features 1、The product has a digital display, easy to read, high accuracy, and has a variety of measurement units that can be converted according to needs. 2、There are two modes of use: real‑time mode and peak mode, which can be adjusted according to needs. 3、This hardness tester is light weight, small size, easy to carry, built‑in 3.7V rechargeable lithium battery, long service life. 4、The product is made of ABS material, which is durable, and it can work under no vibration sources and corrosive media around, and it is easy to operate. 5、Digital fuit hardness tester is sutable to measure the hardness of apples, pears, strawberries and grapes, etc. It is a suitable instrument for fruit company, fruit farm, fruit research institutions to test the ripeness of fruits. Specification Item Type: Hardness Tester Model: GY-30 Material: ABS Power Supply: 3.7V rechargeable lithium battery (Battery Included) Application: Fruit hardness measurement Battery Capacity: 500mAh Product Model GY-30 Range 0.4~30 Kgf/cm² (x10 to the 5th power/Pa) Head Value 2#：φApprox. 7.9mm / 0.3in Load Scale Value 0.01Kgf/cm² Accuracy ±1% Depth Of Indenter Approx. 10mm / 0.4in Charging Time 4~6 Hours Battery Continuous Use Time About 10 Hours Battery Life ≥300 Times Stability Temperature Drift: 0.2uV/℃ (0~60℃) Zero Drift: ≤0.1%/8 Hours/FS Operating Temperature 5℃~35℃ Transport Temperature 0℃~60℃ Relative Humidity 15%~80%RH Working Environment No seismic sources and corrosive media around Package List 1 x Hardness Tester (Battery Included) 1 x Indenter 8 x Bolt 1 x Nut 2 x Manual