Quantifiable electromagnetic relay and electronic energy meter

A quantifiable electromagnetic relay, comprising:

• a housing;
• two leading-out pieces extending from an inside of the housing to a first side out of the housing and connected to a contact assembly inside the housing;
• one of the two leading-out pieces comprises a sampling resistor piece which is plate-like and made of high resistivity materials and conductive pieces respectively connected at two ends of the sampling resistor piece, two sampling pins extending in the same direction being arranged at the two ends of the sampling resistor piece on the leading-out pieces, for realizing inflow and outflow of current;
• and
• a PCB board respectively connected to the two sampling pins in an insertion welding manner,
• wherein a through-hole is provided in the sampling resistor piece along a thickness direction of a board body of the sampling resistor piece, such that an induced current generated in an external alternating magnetic field by a first closed loop formed by the through-hole offsets an induced current generated by a second closed loop formed by the sampling resistor piece, the sampling pins, and the PCB board in the external alternating magnetic field, thereby enhancing an ability of the relay to resist interference in measurement of the external alternating magnetic field wherein the first closed loop and the second closed loop are on the same plane.