Name: M4 nut-type through-beam fiber optic unit with built-in lens
Brand: TAKEX Takenaka Engineering Co., Ltd.
SKU: TAKEX_FNU-T5NYBC

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TAKEX_FNU-T5NYBC

M4 nut-type through-beam fiber optic unit with built-in lens

TAKEX FNU-T5NYBC is an M4 nut-type through-beam fiber optic unit with a built-in lens for long-range and narrow-view detection.
It provides up to 4,000 mm detection, a 2 m free-cutting fiber, R2 bending radius, and a side-exit cable design that reduces snagging.

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Features
Specification
FAQ

Features

Up to 4,000 mm detection: The built-in lens provides a high-powered beam for through-beam detection at distances up to 4,000 mm.
Narrow-view stable sensing: The focused sensing area increases the light-level difference when a target enters the beam for reliable object detection.
Easy M4 nut mounting: The M4 nut-type sensing head can be held with a wrench and secured with a single nut for straightforward installation.
Reduced cable snagging: The cable exits directly from the side of the sensing head, reducing protrusion and the risk of cable snagging inside equipment.
R2 free-cutting fiber: The 2 m free-cutting fiber has an allowable bending radius of R2 for flexible routing in compact equipment.

Specification

Item	Spec.
Model	FNU-T5NYBC
Product type	Nut-type through-beam fiber optic unit with built-in lens
Detection method	Through beam
Environmental feature	Ordinary temperature
Tip appearance	Nut
Tip size	M4
Feature	Built-in lens
Max. detecting distance	4,000 mm
Fiber optic cable length	2 m, free-cutting
Allowable bending radius	R2
Ambient temperature	−40 to +70°C, non-freezing and non-condensing
Fiber covering material	Polyethylene
Fiber core material	Plastic
Lens material	Acrylic resin
Sensing head material	Zinc alloy with trivalent chromate treatment
Tightening torque	0.78 N·m or less
Applicable amplifiers	F70AR, F70R, F80R, F85RN

Specification notes

Through-beam configuration: The transmitting and receiving fiber heads are installed opposite each other, detecting a target when it interrupts the beam.
Long-range sensing: The built-in lens increases optical efficiency, providing up to 4,000 mm detection with the F85RN in long-range mode.
Compact installation: The M4 nut-type head and R2 fiber reduce protrusion and cable routing space inside equipment.

FAQ

Q1: What is TAKEX FNU-T5NYBC?
A: FNU-T5NYBC is an M4 nut-type through-beam fiber optic unit with a built-in lens for long-range, narrow-view object detection.

Q2: What detection method does FNU-T5NYBC use?
A: It uses a through-beam method with transmitting and receiving fiber heads positioned opposite each other.

Q3: What is the maximum detecting distance of FNU-T5NYBC?
A: The maximum detecting distance is 4,000 mm. Actual distance depends on the fiber amplifier and operating mode.

Q4: Why is FNU-T5NYBC suitable for long-range detection?
A: Its built-in lens produces a high-powered and focused beam for stable long-range sensing.

Q5: Can FNU-T5NYBC be used in dusty environments?
A: Its high-powered built-in lens design provides stable detection where dust or particles may affect the sensing path.

Q6: What is the tip size of FNU-T5NYBC?
A: It uses an M4 nut-type sensing head.

Q7: What is the fiber length of FNU-T5NYBC?
A: The fiber length is 2 m and can be cut to suit the installation.

Q8: What is the allowable bending radius of FNU-T5NYBC?
A: The allowable bending radius is R2.

Q9: Which fiber amplifiers are compatible with FNU-T5NYBC?
A: FNU-T5NYBC is compatible with F70AR, F70R, F80R, and F85RN fiber amplifiers.

Q10: What applications are suitable for FNU-T5NYBC?
A: It is suited to object presence, passage, and long-range position detection in automation equipment requiring M4 nut mounting, narrow-view sensing, and reduced cable snagging.

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