Thermistor
If in doubt opt for the thermistor sensor type. These are supported by almost every 3D printer electronics and firmware and are easy to use. Our thermistor cartridges are based around the Semitec 104NT thermistor which is capable of sensing up to 300C - plenty hot for almost every printing material on the market.
Thermistors can be directly connected to most electronics to the thermistor input. E3D HotEnds are supplied with an extension cable that connects to the thermistor cartridge’s Molex connector.
Thermistors do not have a polarity so it doesn’t matter which way round you connect the wires to your electronics.
Details on how to configure your firmware to use this thermistor can be found within the V6 Firmware Guides.
| Wire length | 50mm |
| Wire colour | Blue |
| Cartridge Length | 15mm |
| Cartridge Diameter | 3mm |
| Cartridge material | Stainless steel (current) Brass (past) |
| Connector | Molex Microfit 3.0 |
| Sensor element | Semitec 104NT-4- R025H42G |
| max rating | 300°C |
PT100
If you have a desire for high-performance temperature sensing you may wish to use the http://e3d-online.com/PT100 cartridge. PT100 sensors are more accurate than thermistors and capable of sensing much higher temperatures - higher than the melting point of the aluminium block provided as standard. Higher temperature heater blocks are available on request.
PT100 sensors are not supported by most electronics by default and require a separate http://e3d-online.com/PT100-Amplifier-Bo... to convert the signal from the PT100 sensor into an electrical signal your controller board can understand. Please refer to the E3D PT100 Amplifier Documentation.
Boards that do support PT100 sensors without an amplifier board include:
- Ultimaker 2 electronics
- Duet Wifi and Duet Ethernet, with PT100 daughter board https://duet3d.com/wiki/Connecting_PT100...
- Duet 0.6 and 0.8.5, with third-party digital PT100 interface board https://duet3d.com/wiki/Connecting_PT100...
Datasheet: https://www.heraeus.com/media/media/hne/datasheets/m_sensors/en_10/m_222_e.pdf
| Wire length | 100mm |
| Wire colour | Red |
| Cartridge Length | 15mm |
| Cartridge Diameter | 3mm |
| Cartridge material | Stainless steel (current) Brass (past) |
| Connector | Molex Microfit 3.0 |
| Sensor element | Heraeus M222 Class B |
| max rating | 500°C |
PT1000
| Wire length | 100mm |
| Wire colour | Black |
| Cartridge Length | 15mm |
| Cartridge Diameter | 3mm |
| Cartridge material | Stainless steel (current) |
| Connector | Molex Microfit 3.0 |
| Sensor element | Heraeus M222 Class B |
| max rating | 500°C |
Thermocouple
Thermocouples are for specific applications, electronics or setups that need a thermocouple. In general if you are looking for a higher performance sensor the PT100 is a better option. http://e3d-online.com/Type-K-thermocoupl... are capable of reaching very high temperatures, more than hot enough to process any plastic.
Thermocouples are not supported by most electronics by default and require a separate http://e3d-online.com/External-Thermocou... to convert the signal from the thermocouple into an electrical signal your controller board can understand. Please refer to the Thermocouple Documentation: http://reprap.org/wiki/ExtThermoCouple_1...
The Duet series of electronics do not support analog thermocouple amplifiers, but supports digital thermocouple interface boards instead. See https://duet3d.com/wiki/Connecting_therm....
| Wire length | 1000mm |
| Wire colour | White |
| Cartridge Length | 15mm |
| Cartridge Diameter | 3mm |
| Cartridge material | Stainless steel (current) |
| Connector | Fork terminal |
| Sensor element | 0.2mm welded bead |
| max rating | 500°C |