The HR series dual-core radar level sensor is a non-contact, microprocessor controlled, easy to install and maintain digital level instrument. Through the antenna emitter narrow and low power microwave pulse signals, the pulse signal in the space at the speed of light transmission, encounter reflects measured medium, reflected signal is received, the pulse signal of the transmitted pulse signal and receiving time interval and the datum is proportional to the distance to the surface of the measured medium, the emitting and receiving by measuring the time interval, to realize the antenna to the surface of medium distance measurement. Built-in LCD display, convenient site setting. It doesn't have to contact industrial media can meet the requirements of most of the material level measurement, so as to thoroughly solve the disadvantages of pressure type, capacitance type, float type of traditional measurement methods such as winding, jam, leaking, corrosion medium, safeguard inconvenience. Thus can be widely used in plastics, coal, grain, sewage disposal, petroleum, chemical, food and beverage, pharmaceutical and other industries. Non-contact measurement, corrosion resistance, easy installation, high measuring accuracy, fast response, long life, good stability, large span, can be used to measure the height of liquid and solid material, in the barn, oil tank, chemical raw materials tank, sewage pool, high corrosive environment, requirements of hygiene, environment of material level measurement is widely used.