Product details
FU-77G Keyence Fiber Unit Thrubeam Type
The FU-77G from Keyence is a thrubeam fiber unit. It uses a threaded M4 body. The optical axis is ø1.13 mm. This small spot finds tiny parts. The cable is 1 m long and cannot be cut. It bends no tighter than R10 mm. The core is stainless steel. It works from -40 to +50 °C. This unit is light, only 39 g. Use it where space is tight and accuracy matters.
Specifications
- Brand: Keyence
- Model: FU-77G
- Series: FU
- Type: Thrubeam fiber unit
- Optical Axis Diameter: ø1.13 mm
- Size: M4
- Fiber Unit Length: 1 m, cut not allowed
- Shape: Threaded
- Minimum Bend Radius: R10 mm, stainless steel
- Ambient Temperature: -40 to +50 °C
- Weight: Approx. 39 g
Expert Review
The FU-77G is a tough fiber unit. The M4 thread makes mounting easy. The ø1.13 mm spot is very small. This helps detect thin wires or small chips. The stainless steel core resists bending. The 1 m cable is fixed, so plan your routing. It handles cold rooms at -40 °C. This is a good pick for tight spaces. It works well with Keyence fiber amplifiers. The build quality is high. For precision work, this unit delivers.
Manager’s Insight
We sell many fiber units. The FU-77G stands out for cold storage and small part detection. The R10 bend radius means you can route it around corners. The M4 size fits most standard brackets. The stainless steel core lasts longer than plastic types. If your line has vibration, this unit holds up. It pairs with our fast shipping. We ship in 12 to 24 hours via FedEx, UPS, or DHL. The 12-month warranty covers defects. For a small, rugged fiber unit, this is a smart buy.
Best Fit Equipment and Applications
- Small part detection on assembly lines
- Cold storage and freezer rooms
- Semiconductor wafer mapping
- Label and edge detection
- Vial and ampoule counting
- Robot gripper feedback
- Vibration heavy machinery
- Tight space mounting
FAQ
Q: Can I cut the FU-77G cable to fit my panel?
A: No. The cable is 1 m and cut not allowed. Cutting it will break the unit. Plan your routing before you install.
Q: What amplifier works with this fiber unit?
A: Use any Keyence FU series fiber amplifier. Match the connector type. Check your amplifier manual for compatibility.
Q: How do I clean the lens tip?
A: Use a soft cloth and a little alcohol. Do not use sharp tools. The ø1.13 mm spot can clog with dust. Clean it often in dirty areas.
Q: Does the M4 thread need a nut?
A: Yes. Use the included nuts or buy a mounting bracket. Tighten gently. Over tightening can crack the fiber tip.
Q: What is the warranty and shipping time?
A: We offer a 12-month warranty. Orders ship in 12 to 24 hours. We use FedEx, UPS, and DHL. Contact sales@powergearx.com or +86 18030005825 for help.
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