Type K Thermocouple
Type K Thermocouple


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The Type K Thermocouple, a reliable and versatile temperature sensing solution optimized for 3D printing, is renowned for its exceptional accuracy, reliability, and temperature capability of up to 400°C.

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Reliable and Accurate
Known for its ability to measure temperature in various environments accurately, the Type K Thermocouple operates on the principle of the Seebeck effect, using two metal wires, generating a voltage proportional to the temperature difference. It boasts a maximum temperature capability of 400°C, making it suitable for use with a wide range of filaments and chamber temperatures commonly encountered in 3D printing processes.

An amplifier board is required to amplify and accurately convert the millivolt-level signals into temperature readings.

Easy Integration
Each thermocouple has 2-meter bare leads, allowing hassle-free attachment to virtually any 3D printer setup. The cartridge itself measures 15 mm in length and has a 3 mm diameter, adhering to the de facto standard for sleeved thermocouples.

Note: A dowel pin is included to fill in the extra space in the temperature sensor slot of the hot block. More information can be found in the installation instructions of the downloads section below.

Drop element here

Technical Specifications

Sensor Type Ungrounded Type K
Temperature Limit 400°C
Accuracy ±2.2°C or ±0.75%
Cartridge Dimensions 15 mm length, ø 3 mm
Lead Length 2 m
Compatibility Amplifier Required

Sensor Comparison

300°C Thermistor Thermocouple (Type K) RTD Pt1000 RTD Pt100
Temperature Limit 300°C 400°C 500°C 500°C
Accuracy ±3% ±2.2°C or ±0.75% ±0.3 + 0.002 |t| °C ±0.15 + 0.005 |t| °C
Cartridge Dimensions 15 mm length, ø 3 mm 15 mm length, ø 3 mm 15 mm length, ø 3 mm 15 mm length, ø 3 mm
Lead Length 2 m 2 m 2 m 2 m
Amplifier Required No Yes No Yes

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