The on-site soil penetrometer instrument for foundation bearing capacity, also known as the electronic intelligent penetration instrument, is used to determine the bearing capacity, compression modulus, and liquid index of cohesive soil, red cohesive soil, collapsible loess, fill soil, mixed soil, frost heave soil, weathered soil, residual soil, sandy soil, and soft soil. Widely used in highways, railways, reservoirs, dams, industrial and civil construction, and teaching experiments. lcd.