Steel rail insulation comprehensive test recorder based on GPS time synchronization

The utility model provides a steel rail insulation comprehensive test recorder based on GPS time synchronization, which comprises a host and two slaves, the host is in wireless communication with the slaves, and an intelligent measurement and control storage unit A of the host is respectively connected with a GPS signal time synchronization module A, an LCD display A and a steel rail insulation test main loop. The GPS signal receiving antenna A is connected with the GPS signal time synchronization module A, the steel rail insulation test main loop is connected with the two measuring cables A, the intelligent measurement and control storage unit B of the slave is connected with the GPS signal time synchronization module B and the LCD B, and the steel rail insulation test slave loop is connected with the two measuring cables B. According to the utility model, the steel rail insulation test precision and test accuracy are substantially improved, the steel rail insulation test process is simplified, the steel rai