A type of micro-ohmmeter based on the technique of current reversed 4-line impedance measurement is designed, which can be testified to meet the requirement and have a good repeated accuracy.

• 摘要设计一种基于四线制电流倒向技术的微弱电阻测量仪，经实验验证，该测量仪可以很好地满足测量要求，并具有良好的重复测量精度。