Digital Fiber Optic Sensors

FS-V20 series

Fiber Unit Thrubeam type FU-70U

FU-70U - Fiber Unit Thrubeam type




Optical axis diameter
(Standard target to be detected)

ø2.3 mm0.091"

Fibre unit length

1 m39.37" free-cut

Minimum bend radius

R2 mm0.079"

Minimum detectable object

Opaque material with a diameter of 0.1 mm0.004"*2

Tightening torque

0.8 Nm

Environmental resistance

Ambient temperature

-40 to +50 °C -40 to 122 °F (No freezing)

Relative humidity

35 to 85 % RH (No condensation)


Core fiber : acrylic, fiber sheath : nylon, case : nickel-plated brass, lens : glass (BK7)


Fiber cutter, FU adapter, mounting screws


Approx. 5 g

*1 For details on the detecting distance, see the fiber amplifier catalog.
*2 The minimum detectable object is the value when the detecting distance and sensitivity have been set to their optimal state.

Data Sheet (PDF) Other Models