In summary, LEM's LDSR series is designed for photovoltaic applications, providing accurate residual measurement. The LDSR is designed to meet the specifications detailed in IEC/UL 62109 for photovoltaic applications. The LDSR series advantages are very low offset drift temperature coefficient, high overload and insulation capability, reference pin with two modes, Ref_IN and Ref_OUT, and test winding. The manufacturing of the LDSR is fully automated, providing consistently high quality and reliability.