Fluke Networks FiberLert Live Fiber Detector

$141.43
$129.99 SAVE $11.44
10 availableas of 09/19/2026

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Should arrive by Wed, Sep 30 with free ground shipping

Country of origin

  • Origin: Great Britain
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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

Overview

About the Fluke Networks FiberLert

The easy, pocket-sized fiber troubleshooter

Quickly verify fiber activity, polarity, and connectivity with the FiberLert™ Live Fiber Detector. This pocket-sized tool tests single-mode, multimode, UPC and APC patch cords and ports with a non-contact / non-contaminating detector. The LightBeat™ feature flashes the LED, indicating a powered-on condition and good battery, a timer shuts FiberLert™ off after five minutes of inactivity to extend battery life (2xAAA, included). Rugged design includes a convenient pocket clip and is backed by a two-year warranty.

  • Detects optical power in single-mode and multimode fiber wavelengths (near infrared range 850 nm to 1625 nm)
  • No setup or interpretation needed - light and sound indicate presence of an optical signal
  • "Non contact" detector reduces the risk of contamination and damage
  • Suitable for ports and patch cords, SM, MM, UPC and APC connections
  • LightBeat™ flashes to indicate operation and battery status; powers off after five minutes of inactivity to preserve battery life (2xAAA, included)
  • Two-year warranty

The easy, pocket-sized fiber troubleshooter

Quickly verify fiber activity, polarity, and connectivity with the FiberLert™ Live Fiber Detector. This pocket-sized tool tests single-mode, multimode, UPC and APC patch cords and ports with a non-contact / non-contaminating detector. The LightBeat™ feature flashes the LED, indicating a powered-on condition and good battery, a timer shuts FiberLert™ off after five minutes of inactivity to extend battery life (2xAAA, included). Rugged design includes a convenient pocket clip and is backed by a two-year warranty.

  • Detects optical power in single-mode and multimode fiber wavelengths (near infrared range 850 nm to 1625 nm)
  • No setup or interpretation needed - light and sound indicate presence of an optical signal
  • "Non contact" detector reduces the risk of contamination and damage
  • Suitable for ports and patch cords, SM, MM, UPC and APC connections
  • LightBeat™ flashes to indicate operation and battery status; powers off after five minutes of inactivity to preserve battery life (2xAAA, included)
  • Two-year warranty

The easy, pocket-sized fiber troubleshooter

Quickly verify fiber activity, polarity, and connectivity with the FiberLert™ Live Fiber Detector. This pocket-sized tool tests single-mode, multimode, UPC and APC patch cords and ports with a non-contact / non-contaminating detector. The LightBeat™ feature flashes the LED, indicating a powered-on condition and good battery, a timer shuts FiberLert™ off after five minutes of inactivity to extend battery life (2xAAA, included). Rugged design includes a convenient pocket clip and is backed by a two-year warranty.

  • Detects optical power in single-mode and multimode fiber wavelengths (near infrared range 850 nm to 1625 nm)
  • No setup or interpretation needed - light and sound indicate presence of an optical signal
  • "Non contact" detector reduces the risk of contamination and damage
  • Suitable for ports and patch cords, SM, MM, UPC and APC connections
  • LightBeat™ flashes to indicate operation and battery status; powers off after five minutes of inactivity to preserve battery life (2xAAA, included)
  • Two-year warranty

Technical specifications

Technical Specifications of the Fluke Networks FiberLert

General Information

General Information specifications
Manufacturer Fluke Networks
Manufacturer Part Number FIBERLERT125FIBERLERT-125
Manufacturer Website Address http://www.flukenetworks.com
Brand Name Fluke Networks
Product Line FiberLert
Product Name FiberLert Live Fiber Detector
Product Type Fiber Distance/Fault Locator

Technical Information

Technical Information specifications
Device Function Fiber Optic Cable Testing

Battery Information

Battery Information specifications
Number of Batteries Supported 2
Battery Size Supported AAA
Battery Included Yes

Physical Characteristics

Physical Characteristics specifications
Height 2.9"
Width 1.4"
Depth 10.3"
Weight (Approximate) 2.10 oz

Miscellaneous

Miscellaneous specifications
Package Contents
  • FiberLert Live Fiber Detector
  • 2 x AAA Alkaline Batteries
Country of Origin Great Britain

Warranty

Warranty specifications
Limited Warranty 2 Year

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Free shipping on most items when you spend $100 or more. In-stock items ship on the next open shipment slot. The buy box above shows the live order-by countdown and the estimated arrival date.

Need to send it back? Start a return online with a Request RMA and our team will take care of you. Keep the original packaging. Items must be returned in the condition received.

Questions about shipping or returns? Chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.