Evaluation Kit for B2981/83/85/87A The Agilent (now Keysight) N1299A-301 is a dedicated evaluation kit for B2980A series, which is especially useful for B2985A/87A Electrometers/High Resistance Meters. It contains necessary parts to evaluate the high resistance measurement using B2980A series products. For high resistance measurement demo using B2985A/87A Contains necessary parts, cables and a carrying case Comprehensive demo guide furnished