The utility model discloses a measuring current transformer secondary side new type sensor for terminal, including casing, polypropylene waterproof layer, high polymer waterproof layer and polyethylene?insulation, the lower extreme of casing is equipped with the base, the upper end of casing is equipped with infrared probe, be equipped with the speaker on the lateral wall of casing, the inside top -down of casing is equipped with the thermocouple in proper order, handles chip and lithium ion battery, thermocouple and infrared probe respectively with handle chip electric connection, the speaker passes through lithium ion battery and handles chip electric connection. The utility model discloses a design scientific and reasonable, measuring precision is higher, simple structure, economic cost are lower, have certain water -proof effects, higher, the intelligent degree of factor of safety is high, the installation and dismantle convenient, be worth wideling popularize.