美国AVO 低阻欧姆表24700

Megger Digital Low Resistance Ohmmeters (DLRO) are a family of highly accurate instruments that provide a simple, practical reliable means of making low－resistance tests in the field. They also are ideal for production quality control. They operate on the four－wire measurement principle, thus eliminating lead contact resistances. With basic accuracies of ±0.25% resolution down to 0.1 µΩ, they are nonetheless designed to be rugged portable for use at the job site. A variety of optional test leads calibration resistance stards are offered for use with