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Fibre UnitFU series

Limited-reflective Fibre Unit



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Standard detection object

Object with a diameter of 200, t = 0.7 mm glass substrate

Fibre unit length

2 m free-cut

Fibre unit diameter


Minimum bend radius

R40 mm

Tightening torque

0.75 N m or less

Environmental resistance

Enclosure rating


Ambient temperature

-40 to +60 °C (No condensation and no freezing)*3

Relative humidity

35 to 85 % RH (No condensation and No freezing)*3


Main unit case : PFA, PVC; tube : PTFE*4


Fibre cutter


Approx. 75 g

*1 For details on the detecting distance, see the fibre amplifier catalogue.
*2 Using this product in high-temperature liquids or steam may lead to penetration of the fluorocarbon polymers, which may cause fluctuations in the received light intensity and damage to the internal components.
*3 Use this product under the condition that if the ambient temperature exceeds 60 °C, the absolute humidity is 60 °C 85 % RH or less.
*4 No condensation and no freezing. Use this product under the condition that if the ambient temperature exceeds 60°C, the absolute humidity is 60°C 85%RH or less.

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