The Seaward CR/1k 4-Terminal Calibration Resistor, High Accuracy, 1 kOhm combines high accuracy, class 0.02, long term stability and permanence of calibration in a compact unit. Constructed using carefully selected low temperature coefficient Zeranin wire and mounted to ensure mechanical stability, these resistors will provide a cost effective addition to any laboratory or workshop. Typical applications of the CR1k include calibration reference, accurate current measurement instrument calibration and accurate shunt resistors.