Thrubeam edge sensor for edge measurement and control

Laser Precision..

The TD1 series is ideal for equipment where edge control is required, such as for measurement of the end surfaces of components or sheet materials. TD1 uses a CMOS sensor as the light receiving element providing highly accurate edge position.

..Multiple Uses

  • Repeatability ±5 µm
  • Sampling Period 500 µs
  • Linearity ±0.4% of F.S.
  • Serial Interface RS-485
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Light Axis Alignment is Easy


Controller for digital or analog control 

Use the TD1 with a  CDA series controller for NPN/PNP, analog outputs, and a handy external input. 

  • OLED display for intuitive programming and setup.
  • Simply place the measurement target and press the button for easy teaching of the edge center position. 
  • Calculation Function for connecting two TD1 series units for workpieces with outer diameters of 10 mm or more
  • OLED display for intuitive programming and setup. 

Optimized Roll Control = improved quality and productivity

In roll-to-roll manufacturing, if there is a problem with the winding control, the sheet material will tear or meander, resulting in a cone-shaped roll of material that is unusable in the post-process.
High-precision winding control allows for efficient production of high-quality products.

Control of Meandering Sheet Material

The TD1 series transmission edge sensor controls the meandering of all sheet materials. Meandering during winding can cause quality abnormalities such as wrinkles and stretching in the sheet material. With the TD1, control in units of ±10µm is possible by using two sets. High precision edge position control can be performed to control meandering using the TD1      0.4% ±5 µm.

Measurement of Roller Gap

The TD1 series transmission edge sensor is the perfect choice for measuring the gap between rolling rollers. If the gap is too wide, the sheet will be too thick, and if it is too narrow, the sheet will be too thin. By controlling the gap, the sheet can be rolled to a constant thickness. In addition, by using the control output, it is possible to output an ON/OFF signal when the thickness is abnormal.


Other Applications

Cylinder diameter measurement

Rubber defect detection

Edge Measurement


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