PT100 B Temperature Sensor for 3d printers.
3*15mm ss head
1 meter long 3*0.15mm AF250 lead wire
2 Pin 2510 connector
Range: -50 to 250 centi-degree
It does the temperature reading in the hot end of Ultimaker 2 and the other 3d printers.
It's much more precise than 3950 1% thermistor.