Fluke 742A Overview
The 742A-1 Resistance Standard is a high accuracy working standard for precision, on-site resistance calibration. The excellent temperature stability allows it to be used from 18ºC to 28ºC with typically less than 2ppm degradation. " 1 Ohm " Small and Rugged " No oil or baths required " Six-month stability to 2.5 ppm