CXT/10P-B monitoring system applies to various level-jib tower cranes. It provides the operator with actual and correct information on working states of tower crane. If the load reaches 90% of the rated load, it will give an early warning. If it reaches 105%, it will alarm and stop the trolley moving automatically outward and the hook lifting upward so as to avoid accidents from happening. Parameters and functions are shown as follows: Parameter: Rated loadactual loadtrolley amplitudehook heightslewing anglemoment percentage Signal lamp & buzzer: Flickering yellow lamp and buzzer's discontinuous response indicate early warning whereas red lamp and buzzer's continuous response indicate alarm and relay outputs Other functions: Records downloading, sensor's self-diagnostic, applicable to cranes with three kinds of falls Add the function of remote control &GPS &zone alarm