Fully Operational with Expanded Resources Click for the latest on how KEYENCE is continuing to support our customers with quick delivery, off-site testing, virtual demos and more.
  1. Home
  2. Products
  3. Sensors
  4. Fibre Optic Sensors
  5. Fibre Photoelectric Sensors
  6. Models
  7. Reflective Sensor Head

Fibre Photoelectric SensorsFS series

Reflective Sensor Head


[Discontinued model]

This model has been discontinued.

Compliance with the certification standard is ensured as of the time of shipment from our company.

Recommended Replaceable Products
To contact us:


Select Language




Diffuse Reflective

Product name

Cable length

1.9 m

Allowable bending radius

R30 mm

Light source

Sensitivity adjustment

Detecting distance (standard detection object)

30 to 150 mm (4 mm2, white mat paper)

Spot diameter

ø4 mm or less

Minimum detectable object

0.1 mm dia. copper wire

Response time


10% of the detecting distance or less (between 30 and 100 mm)*1

Operation mode

Indicator lamp

Timer function

External tuning input signal


Control output

Stability output

Protection circuit

Laser emission stop input

Environmental resistance

Ambient temperature

0 to +60 °C

Relative humidity

35 to 85 % RH (No condensation)


Transmission side: glass fiber (PVC covering), receiver side: plastic fiber (polyethylene covering)


Approx. 30 g

*1 20% or less between 100 and 150 mm

  • For Beginners Sensor Basics Understanding fundamental - Introduction Guide to Sensors
  • Trade Shows and Exhibitions
  • eNews Subscribe