SKU: 78985824137

Fiber Identifier AFI400

Sale price$127.77 Regular price$141.97
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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8

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Description

Fiber Identifier AFI400Fast find fiber in a mass Indicate signal directions in fiber Indicate Live or dark fiber Detect 270Hz, 1kHz, 2kHz from laser source Build in VFL 1mW or 10mW (Optional) Suitable for 0. 25, 0. 9, 2. 0, 3. 0mm fiber, no need to change adapter One year warranty and Three year recommended calibration interval Model AFI400 AFI420S AFI420L Wavelength Range 800 to 1700nm (SM) Recognizable signal type* CW, 2kHz, 1kHz, 270Hz 10% Detector Type InGaAs 2pcs Fiber

Fast find fiber in a mass

Indicate signal directions in fiber

Indicate Live or dark fiber

Detect 270Hz, 1kHz, 2kHz from laser source

Build in VFL 1mW or 10mW (Optional)

Suitable for 0.25, 0.9, 2.0, 3.0mm fiber, no need to change adapter

One-year warranty and Three-year recommended calibration interval

Model AFI400 / AFI420S / AFI420L
Wavelength Range 800 to 1700nm (SM)
Recognizable signal type* CW, 2kHz, 1kHz, 270Hz ±10%
Detector Type InGaAs 2pcs
Fiber Type 0.9, 0.25, 2.0, 3.0 mm fiber
Sensitivity +10 ~ -50dBm
Accuracy * +10dB to -30 dBm (Continuous Wave) /+10dB to -25 dBm (Modulated Signal)
LED Indicator Signal direction; signal frequency (2kHz/1kHz/270Hz); low battery
Visual Fault Locator No / 1mW / 10mW
VFL Connector 2.5mm universal connector
Power Supply AA * 2

at 20±3℃, indoor, 1550nm wavelength, 0.9mm fiber, with white coat, 270Hz, error 5%,

0.25, 2.0, 3.0mm fiber, the performance at continuous wave will be lower

1KHz, 2KHz, the performance at modulated signal will be lower

at 1310nm wavelength, the performance will be lower

Size(H*W*D) 230mm * 45mm * 45mm
Weight About 200g
Storage Temperature -20 -- +60°C, < 90%RH
Operating Temperature -10 -- +50°C, < 90%RH
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 78985824137

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4.2 ★★★★★
Based on 13 reviews
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Product Reviews
M
Madelaine
Cuba, US
★★★★★ 5
Smart-Looking Pants That Fit Well
Color: Navy Blue, Size: 8
I had my son wear these for a church, and they looked sharp without being too stiff. The adjustable waist makes them comfortable, and the fabric feels durable enough to handle a few hours of running around. They held their shape well and didn’t wrinkle too easily. After a couple of wears, they still look crisp and clean. The overall fit and finish make them feel like a well-made pair of dress pants.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
M
Verified Purchase
Mema0818
Cuba, US
★★★★★ 5
Great Fit
Color: Royal Blue, Size: 10
Cute vest perfect for my 10 yr old
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
D
Delta End
Lowell, US
★★★★★ 5
Kids Formal Vest Review
Color: Royal Blue, Size: 12, Color: Royal Blue, Size: 12
At the time of review, the price was $17.09. It seems to be correctly priced for the value it provides. I found this vest to be versatile, suitable for a range of formal and semi-formal occasions, from weddings to school events, and capable of being dressed up or down. The fit generally seemed accurate or slightly generous, though it does come with the adjustable back strap offering some customization. The overall quality of the vest, including its construction and stitching, appeared to be good, with a durable and well-made feel. It presented a polished and sharp appearance that could elevate an outfit, and the color is very close to the product image. The material felt substantial and structured, yet breathable, often featuring a silky lining and a notable texture and seems to be machine washable. Based on the quality I've seen, I considered this vest to offer good value for its price point. The vest provides a functional option for children's formal wear. Its design and construction suggest practical utility for various events... or your kid can just wear it all the time like mine does.
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Reviewed in the United States on March 30, 2026
K
Kelli Lynn
Omaha, US
★★★★★ 5
Great Boys Suit Vest
Color: Black, Size: 12, Color: Black, Size: 12
I recently had a chance to pick up this boy's suit vest for my upcoming wedding, and it is absolutely perfect. It fits my son so well, running very true to size. The material is so silky smooth and soft, he absolutely loves it. He's autistic and has a thing about different fabrics and this does not irritate or bother him at all. It is going to be perfect over his long sleeve button down shirt. The best looks amazing on him, and the black color is definitely a very dark true black. It is such a great value for the money, you will not be disappointed! I highly recommend picking this up if you need one for your boy or if you have a family member who needs one for an upcoming event.
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Reviewed in the United States on April 4, 2026
A
Arty
Waukegan, US
★★★★★ 4
Boys vest
Color: Black, Size: 8
The vest looks nice. It seems well made and looks high quality. The fabric is nice. The buttons seem very sturdy. The vest is lightweight and shouldn’t be too sweaty. It’s a nice versatile piece. Can be dressed up or down. The fit is a smidge awkward on my boys, but they still like it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026

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