Features Insulation material: the wired part of this thermistor sensing head is made of high temperature PTFE with good insulation and a long service life. Wide Compatibility This thermistor temperature sensing head is widely used in the heated bed or hot end of 3D printer extruder. Applicable models: This thermistor temperature sensing head is suitable for most models of 3D printers such as A8, A6, A2, Ender. WIDE MEASURING RANGE - With a measurement range from -40 °C to 260 °C, this thermistor temperature sensing head is ideal for high temperature printing. Pre-cable: the thermistor temperature head is pre-wired to be used with the heat block supporting the thermocouple. Specification: Item type: NTC thermistor sensor Material: PTFE, Red Copper Rated resistance R25(25°C): 100k Resistance accuracy: ±1% B Value: 3950 Accuracy of value B:±1% Terminal: XH2.54-2P Operating temperature range: -40℃-260℃ Wire length: approx. 1m/3.28inch Applicable to: For A8, for A6, for A2, for Ender and most other models of 3D printers Package list: 5 x NTC thermistor sensor Package List 5 x NTC Thermistors Sensor