Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

FLUKE FiberLert-125 6P Non-Contact Fiber Identifier - Optical Fiber Detectors
FLUKEOptical Fiber Detectors

FLUKE FiberLert-125 6P Non-Contact Fiber Identifier

The FLUKE Fiber Identifier (MPN FiberLert-125 6P) is a non-contact optical fiber detector for single and multi-mode fibers. It supports optical power measuring across wavelengths of 850, 980, 1270, 1300, 1310, 1490…

SKU 3G-OTH-180115

Also listed as: FiberLert1256P · FiberLert 125 6P · FiberLert-125-6P

Brand
FLUKE
Item
FiberLert-125 6P Non-Contact Fiber Identifier
Category
Optical Fiber Detectors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

FLUKE
Manufacturer Part Number
FiberLert-125 6P
Type
Auto Power Off, No Display, Light/Sound, Non-Contact
Features
Non-Contact
Product Type
Fiber Identifier
Wavelengths
850, 980, 1270, 1300, 1310, 1490, 1550, 1577, 1625, 1650 nm
Model Features
Non-Contact
Testing Functions
Optical Power Measuring
Fiber Mode Supported
Single & Multi-Mode

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

FLUKE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The FLUKE Fiber Identifier (MPN FiberLert-125 6P) is a non-contact optical fiber detector for single and multi-mode fibers. It supports optical power measuring across wavelengths of 850, 980, 1270, 1300, 1310, 1490, 1550, 1577, 1625, and 1650 nm. This unit features auto power off, no display, and light/sound indication.

Frequently Asked Questions

What is the FLUKE FiberLert-125 6P used for?

The FLUKE FiberLert-125 6P is a non-contact fiber identifier used to detect optical signals in single and multi-mode fibers without touching the fiber. It supports optical power measuring across wavelengths from 850 to 1650 nm, making it ideal for telecom, data center, and CATV network maintenance and troubleshooting.

What are the specifications of the FLUKE FiberLert-125 6P?

The FLUKE FiberLert-125 6P is a non-contact fiber identifier with auto power off and light/sound indication. It supports single and multi-mode fibers and measures optical power at wavelengths: 850, 980, 1270, 1300, 1310, 1490, 1550, 1577, 1625, and 1650 nm. It has no display and is designed for field use.

Where to buy the FLUKE FiberLert-125 6P worldwide?

You can source the FLUKE FiberLert-125 6P worldwide through 3G Electric, a global industrial equipment distributor since 1990. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine FLUKE fiber identifiers to customers globally.

How to use the FLUKE FiberLert-125 6P for fiber identification?

To use the FLUKE FiberLert-125 6P, place the non-contact sensor near the fiber under test. The device detects optical signals and provides light and sound alerts. It auto-powers off to conserve battery. Ensure the fiber is clean and the wavelength matches one of the supported ranges (850–1650 nm) for accurate optical power measuring.

Used in

Common applications for FLUKE
Industrial process calibration — Fluke FLK-729PRO 4M automatic pressure calibrator for verifying pressure transmitters and switches
Electrical maintenance — Fluke-77 IV digital multimeter for measuring AC/DC voltage and current in control panels
HVAC diagnostics — Fluke-59 MAX infrared thermometer for non-contact temperature measurement of ducts and equipment
Rotating equipment alignment — Fluke 832 NA laser shaft alignment tool for aligning pump and motor shafts
Temperature sensor calibration — Fluke 9144-E-P-156 drywell for calibrating RTDs and thermocouples in field metrology
Electrical safety testing — Fluke FTP-1 test probe for making voltage measurements in CAT III and CAT IV environments

FLUKE Products

3G Electric supplies FLUKE optical fiber detectors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Non-contact fiber optic tester for verifying fiber continuity and detecting live signals from 850 to 1625 nm. Includes a 1.25 mm adapter and supports APC, LC, MM, SM, and UPC connector types. Features Light beat™ flashes for operation and battery status, auto power off, and LED indicator
FLUKE NETWORKS
Non-contact fiber optic tester for verifying fiber continuity and detecting live signals from 850 to 1625 nm. Includes a 1.25 mm adapter and supports APC, LC, MM, SM, and UPC connector types. Features Light beat™ flashes for operation and battery status, auto power off, and LED indicator
This fiber optic cable testing kit includes a Versiv Main and supports single and multi-mode fiber. It performs continuity testing across wavelengths 850, 1300, 1310, 1390, 1490, 1550, 1577, 1590, 1610, and 1625 nm. The kit features an SFP fiber optic connector, 1.25 mm single-fiber adapters, and stores test and inspection results using LinkWare Live. Typical applications include loss testing and continuity verification on fiber optic cabling in network infrastructure
FLUKE
This fiber optic cable testing kit includes a Versiv Main and supports single and multi-mode fiber. It performs continuity testing across wavelengths 850, 1300, 1310, 1390, 1490, 1550, 1577, 1590, 1610, and 1625 nm. The kit features an SFP fiber optic connector, 1.25 mm single-fiber adapters, and stores test and inspection results using LinkWare Live. Typical applications include loss testing and continuity verification on fiber optic cabling in network infrastructure
This fiber optic cable testing kit supports single and multi-mode fiber across wavelengths from 850 to 1625 nm. It features an SFP connector, single-fiber adapters, and continuity testing. The kit includes a hand strap and allows storage of test results via LinkWare Live
FLUKE
This fiber optic cable testing kit supports single and multi-mode fiber across wavelengths from 850 to 1625 nm. It features an SFP connector, single-fiber adapters, and continuity testing. The kit includes a hand strap and allows storage of test results via LinkWare Live
Fiber optic tester for fault location and cable length measurement on multi-mode fiber networks. Supports wavelengths 850 nm, 1300 nm, 1310 nm, 1490 nm, 1550 nm, and 1625 nm. Includes ST adapter and 2m UPC-UPC patch cord
FLUKE NETWORKS
Fiber optic tester for fault location and cable length measurement on multi-mode fiber networks. Supports wavelengths 850 nm, 1300 nm, 1310 nm, 1490 nm, 1550 nm, and 1625 nm. Includes ST adapter and 2m UPC-UPC patch cord
Visual fault locator for continuity testing on single-mode and multi-mode fiber optic cables. Supports 2.50 mm connectors and provides a range of 3 km on multi-mode and 4 km on single-mode fiber. Battery life exceeds 80 hours. Suitable for identifying breaks, bends, and faults in fiber installations
FLUKE NETWORKS
Visual fault locator for continuity testing on single-mode and multi-mode fiber optic cables. Supports 2.50 mm connectors and provides a range of 3 km on multi-mode and 4 km on single-mode fiber. Battery life exceeds 80 hours. Suitable for identifying breaks, bends, and faults in fiber installations
Single-mode fiber optic cable testing kit with LCD backlit display and digital readout. Supports 1310nm and 1550nm wavelengths via SFP fiber optic connector. Includes built-in MPO connector, Fiberlert, and single-mode test cords. Provides line polarity indication and stores test results using LinkWare Live. Used for loss testing in single-mode fiber networks
FLUKE
Single-mode fiber optic cable testing kit with LCD backlit display and digital readout. Supports 1310nm and 1550nm wavelengths via SFP fiber optic connector. Includes built-in MPO connector, Fiberlert, and single-mode test cords. Provides line polarity indication and stores test results using LinkWare Live. Used for loss testing in single-mode fiber networks

More from FLUKE

View all FLUKE parts