Portable soil detector, using the latest digital integrated circuit technology and international detection technology design into a new intelligent handheld detector. A large full-color LCD screen is used to display the readings in real time. At the same time, the detection circuit designed by a digital chip from an international manufacturer is used to achieve very high sensitivity and excellent repeatability. The shell adopts industrial special high strength composite plastic, strength master sense is good. The detector is widely used in petrochemical, environmental protection, metallurgy, mining, agriculture, experiment, mapping and other industries.