Model TE-3 Soil Hardometer Protable Soil Hardness Tester Soil Hardness Tester Application:The Hardometer is used for fast testing soil hardness and determining resistance to wedge into the soil so as to understand slack degree of the soil in different depth. Technical parameters: Measuring depth : 0-200mm Area of measuring head : 1cm2 Spring capacity: 0.25kN, 0.75kN, 0.50kN for different test use Recording paper: continuously recording for 60 times Dimension: 624 x 185 x 157mm (L x W x H)