• PT100 Class A 4 Wire

A 4 wire PT100 sensor. Let's be honest, this is excessive. It's Class A as well.

  • Class A ± (0,15+0,002 * t), ±0,15 °C (0 °C), ±0,35 °C (100 °C), defined on range -100…+450 °C (wire wound resistor)

With an Octopus Pro, you need no additional hardware. This is, literally, the most accuracy possible on a 3D printer hotend.

You'll need all 4 wires back to the board, so if you're running a toolhead PCB you'll likely need an additional couple of runs for this. If you really want, you can just use one white and one blue wire and use it in 2 wire mode, but why would you do that?!

4 wire wiring, Octopus Pro:

DIP switch settings, 1-2-3-4: OFF-OFF-ON-OFF

Klipper Settings:

heater_pin: PA2 # Heat0 sensor_type: MAX31865 sensor_pin: PF8 spi_speed: 2000000 spi_software_sclk_pin: EXP2_2 spi_software_mosi_pin: EXP2_6 spi_software_miso_pin: EXP2_1 #tc_use_50Hz_filter: False #tc_averaging_count: 1 rtd_nominal_r: 100 rtd_reference_r: 430 rtd_num_of_wires: 4 #rtd_use_50Hz_filter: False #control: pid #pid_kp = 19.755 #pid_ki = 0.770 #pid_kd = 126.680 min_extrude_temp: 170 # The minimum temperature (in Celsius) at which extruder move # commands may be issued. The default is 170 Celsius. min_temp: 0 max_temp: 480

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PT100 Class A 4 Wire

  • Product Code: PT100
  • Availability: In Stock
  • £12.00

  • Ex Tax: £10.00
  • Price in reward points: 1200

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Tags: PT100