This JUMO 0026805300098180009 00066643 RTD TEMPERATURE SENSOR PROBE is in great condition and is guaranteed to be fully functional. These probes came from a large pharmaceutical company that had surplus overstocked inventory. Probes are most likely in unused condition but were listed as used due to lack of factory packaging. We urge customers to view all photos as they show overall condition, included accessories and useful information. Please feel free to contact us with any questions.