Digital Fiber Optic Sensor

FS-N40 series

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Fiber Unit Thrubeam type FU-70TU

FU-70TU - Fiber Unit Thrubeam type




Optical axis diameter
(Standard target to be detected)

ø2.3 mm0.091"

Fibre unit length

2 m78.74" free-cut

Minimum bend radius

R1 mm0.039"

Minimum detectable object

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

Tightening torque


Environmental resistance

Enclosure rating

IP67 (IEC60529), Type 4X, 6, 12 (NEMA250)

Ambient temperature

-20 to +50 °C -4 to 122 °F (No freezing)

Relative humidity

35 to 85 % RH (No condensation)


Case : SUS303, PBT
Lens : glass
Fiber sheath : nylon
Core fiber : acrylic


Approx. 8 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.

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