Inductive Sensor Probe

The Inductive Sensor Probe LJ12A3-4-Z/BX is capable of detecting metal without contact, and is often used in 3D printers to read or adjust the level of the Print Bed, including the RAMPS 1.4-based machines. This sensor helps identify any warping or sagging of a print bed and provides the necessary data for the firmware to readjust the Z endstop to accommodate for these subtle differences in height.

LJ12-A3-4-Z-BX-005

The benefits that this sensor provides includes better first-layer adhesion on large or simultaneous prints, greater accuracy for the firmware to print ultra-thin layers, as well as less hassle as you don’t need to manually readjust your Z endstop as the bed subtly warps over time. Just remember, however, that because this is an induction sensor, it will only work with metal print beds. The installation may also require some firmware modifications, which can be found on the RepRap Wiki, although this is relatively simple for any veteran Maker or 3D printer enthusiast.

Quick Spec

  • Model: LJ12A3-4-Z/BX
  • Detection Distance: 4mm
  • Operating Voltage: 6VDC - 36VDC
  • Output Current: 300mA
  • Output Type: PNP normally open three-line
  • Response Frequency: 0.5KH
  • Working Temperature Range: -30 ~ 60°C, within ±15% detection distance
  • Material: Metal and Plastic
  • Dimensions: 12mm screw diameter
  • Cable Length: ±100cm
  • Net Weight: 48g

Wiring Diagram

LJ12-A3-4-Z-BX-006

Resources

Shipping List

LJ12-A3-4-Z-BX-004

  • 1 x Inductive Sensor Probe


Inductive Sensor Probe

  • Brand: Generic
  • Product Code: LJ12A3-4-Z-BX
  • Weight: 0.048kg
  • Stock

    Warehouse Stock Status Location
    Centurion No Stock
    Stellenbosch No Stock X0193 + X0194

    We ship free of charge between branches to complete your order.

  • R45.00 (Inc Tax: R51.75)


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Tags: inductive, sensor, probe, 3d, printer, sensor, metal detector, metal switch, 4mm, 6v, 36v, lj12a3, contactless, non-contact, prox, proximity, distance, bed, level, leveling, adjust