* Function of monitoring, fault warning and alarm the ground insulation resistance for IT system;
* Multiple fault indication function, such as relay alarm output, LED alarm indication and so on.
* Advanced field bus communication technology, communicate with the external alarm and display device or the upper . computer management terminal and monitor the operation status of the IT system in real time.
* Fault event recording function. It can record the time and type of failure to provide convenience for operators to query and analyze the operation status of the system and eliminate faults in time.
* Applicable for insulation monitoring of AC, DC and AC / DC hybrid IT systems.
* Self checking function. realize the fault self-inspection of instrument hardware circuit.
* Broken line monitoring function. Monitor the connection condition between the L1/L2 and the IT system and the connection condition of the PE/KE function grounding wire.