Are heat-resistant Photoelectric Sensors available?

Yes, Fiber-type  Photoelectric Sensors are available with heat resistance specifications. The heat resistance specifications, however, apply to Fiber Units only, and not to Amplifier Units.

Applications

Detecting wafers in high-temperature environments

E32-T61-S Fiber Units

Ratings and Specifications
           150°C models                200°C and higher models
      E32-T81R
      E32-D81R
      All other models
   Min. bending radius    35 mm    10 mm    25 mm
   Fiber material    Plastic (fluororesin coating)    Glass (fluororesin coating)    Glass (SUS spiral coating)

Overview of Model Variations

      Type       Ambient temperature       range          Features    Shape, sensing    distance (mm)*    Model    number
   Through-   beam    -40°C to 150°C    M4 screw
   760    E32-T51
   -40°C to 200°C    L-shaped, long    distance
   1,300    E32-T84S-S
   -60°C to 350°C    M4 screw
   450    E32-T61-S
   Reflective    -60°C to 350°C    M6 screw
   90    E32-D61-S
   -40°C to 400°C    M6 screw, with    sleeve
   60    E32-D73-S

Note: The sensing distances apply for use in combination with the E3X-DA-S Amplifier Unit (general-purpose, standard mode).