Digital Soil Hardness Tester

High-precision and high-resolution: large-screen LCD display, with backlight function (backlight for night use), and positive, inverted reverse function of digitals on the screen.
Has a battery capacity display: divide into 3, 2 and 1 grids. 
If too low electricity, the instrument will automatically shut down.
Gravity acceleration setting function: users can input the exact value of gravity acceleration at their discretion to allow the test more precise.
Peak value maintaining function: maintain the peak value display until zero adjustment manually.
Automatic peak function: Maintain to display the peak values for 2 s before automatically elimination.
Large memory storage function: can store 896 test values.
Data output function: data can be input in the computer for various analyses through data links.
Auto-off time setting: with automatic off-time setting, 10min-90 min automatic shutdown can be set.
High quality charging power supply:  100-240v of charging voltage can be available, suitable for most domestic and foreign areas.

Maximum load:50Kg (Kg,Ng and ib Three units can be automatically converts).
Resolution:0.1Kg.
Accuracy:±0.5%.
Measuring depth:0?450mm.
Power: charging power supply:220V/AC?Continuous operating time of battery:6?8 hours.
Stability: temperature drift :0.2uV/??0-60???Null drift:≤ 0.1%/8hour /FS.
Calibration range: full-scale calibration.
Ambient temperature:0?+60?.
Ambient humidity:≤ 80%.
Allowable overload:150%.
Power supply mode:5nickel cyanogen battery /220V AC charge 4?6 hours.