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Keyence FU-31

Reflective Fiber Unit. . Series: Digital Fiber Optic Sensor. Series code: FS-N40 series

MPN: FU-31
Category: Digital Fiber Optic Sensor

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12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
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What is the Keyence FU-31?

Reflective Fiber Unit. FU-31. Series: Digital Fiber Optic Sensor. Series code: FS-N40 series

Specifications

Model Name	Reflective Fiber Unit
Model Code	FU-31
Series Title	Digital Fiber Optic Sensor
Series Code	FS-N40 series
Data Sheet URL	https://www.keyence.com/download/download/confirmation/?dlSeriesId=WS_SR57330&dlModelId=PM_00931&dlSiteId=1&dlLanguageId=en-US&dlLangType=en-US
CAD URL	https://www.keyence.com/products/sensor/fiber-optic/fs-n40/downloads/?mode=cd&modelId=PM_00931
Manuals URL	https://www.keyence.com/products/sensor/fiber-optic/fs-n40/downloads/?mode=ma&modelId=PM_00931
Model	FU-31*1
Beam emitting direction	Side
Fibre unit length	2 m78.74" free-cut
Fibre unit diameter	ø1.0×2
Minimum bend radius	R10 mm0.394"
Minimum detectable object	Gold wire with a diameter of 0.005 mm0.0002" *2
Environmental resistance	-40 to +70 °C -40 to 158 °F
Weight	Approx. 5 g

FU-31: frequently asked questions

When can FU-31 be shipped?

FU-31 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up FU-31 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for FU-31 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for FU-31, subject to availability and destination.