DetailsThis is not an Ultimaker standard part. It is made by a different supplier. PT100 temp sensor - Works with Ultimaker2, Ultimaker2go, Ultimaker extended. Fits either Olsson block or original block on Ultimaker 2. Not compatable with UMO which uses instead thermocouple. PT100 is platinum resistor that is 100 ohms at 0C. Compatible with Ultimaker2 and Ultimaker2 plus.