详细分析了国内50年代以来，随着生产发展和市场需要，测量用互感器及其测试仪器在提高准确度和性能方面的发展与创新概况。其中主要有：互感器误差补偿的研究和创新，并据此研制各种规格的测量用互感器、带升流器或升压器的高准确度互感器、电流比较仪、双级互感器、比较仪式互感器校验仪及其整体检定装置和数显校验仪等。并展望今后在这方面的发展和创新，如二次为小电流和小电压的互感器以及计算机在互感器及其测试中的应用等。

The development and creation of measuring instrument transformers and their testing equipment in improving accuracy and performance since the end of fifties is described. They include the development in error compensation for instrument transformers, high accuracy instrument transformers with a current booster or voltage booster, current comparators and two-stage instrument transformers, the comparator-type calibrators and its testing instruments, digital calibrators, etc. Future work in this field, will involve the development of instrument transformers with small secondary current and voltage, application of computers and microprocessors in instrument transformers and their testing equipment, etc.