Fluke Networks FiberLert™ Detector
Fluke

Fluke Networks FiberLert™ Detector

Part number5317262
MOQ:1

Pricing

Request a quote

We reply within 24 hours

Product Description

Want to quickly verify fiber activity, polarity, and connectivity without spending thousands? Now you can for less than $200. Check out the FiberLert.

Technical Specifications

Manufacturer part number (MPN)
5317262
Brand
Fluke
Category
Tools
Operating Principle
FiberLert is a live fiber detector that senses near infrared light emitted from fiber optic cabling. A continuous red glow at the handle and an audible beeping noise (if not switched off) indicates the presence of near infrared light.
Optical Interface
Non-contact ceramic ferrule. Fits directly with 1.25 mm LC receptacles. Tethered ferrule adapter for testing 1.25 mm ferrule patch cord. Supports single-mode, multimode, UPC and APC connectors and ports.
Wavelength Detection
850 nm to 1625 nm
Optical Power Detection Range
+3 dBm to -30 dBm
Light Detection
Visible steady red LED indicator when optical power is detected
Lightbeat™ Indicator
Flashes twice every two seconds when unit is on and battery strength is sufficient.
Battery Saver
Unit automatically turns off after five minutes of inactivity
Batteries
2 AAA alkaline batteries included
Battery Life
Typically, greater than 1 year (5 hrs. of use a week)
Item Size
0.6” x 1.0” x 6.6” / 1.6 x 2.5 x 16.8 cm
Item Weight
2.1 oz / 59 g
Operating Temperature Range
-10 °C to 50 °C
Operating Humidity Ranges
95 % (10 °C to 35 °C) Non-condensing 75 % (35 °C to 40 °C) Non-condensing uncontrolled < 10 °C
Operating Altitude
≤ 3000 meters
Storage Temeperature
-20 °C to 50 °C

Cross References

  • OEM-URL https://www.fluke.com/en-us/product/network-cable-testers/fiber-optic/fiberlert

Product Documentation

Document preview: FiberLert-125 | Quick reference guide

Catalogue entry last verified: 2026-08-13. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.

Frequently asked questions

Where can I buy 5317262?
5317262 can be ordered from cballast.com as a Fluke catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
What is the manufacturer part number for this Fluke product?
The manufacturer part number is 5317262.
Who manufactures 5317262?
5317262 is a Fluke product in the Safety & Detection range.
Is a datasheet available for 5317262?
Yes — the 5317262 datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for 5317262?
The minimum order quantity is 1.
Is 5317262 available?
Yes — 5317262 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).
How do I get a price for 5317262?
Request a quotation with the quote button on this page or by email to sales@cballast.com — we reply within 24 hours with price, availability and lead time.