
Fluke Networks FiberLert™ Detector
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
More from Fluke

Fluke
Fluke C37XT Protective EVA Hard Tool Case
5309001

Fluke
Fluke eMobility Tools Kit with FEV100 Test Adapter, 125B ScopeMeter®, 87V Multimeter and Test Leads
5348161

Fluke
eMobility Tools Kit with FEV100 Test Adapter, 87V Multimeter and Test Leads
5348150

Fluke
Solar Tools Kit with 393 FC Clamp Meter, Irradiance Meter and Solar Test Leads
5337401

Fluke
Fluke GAUGEPAK Magnetic Hanger Kit
5204166

Fluke
Fluke TruTest™ Solar PV Inspection Software
5265304

Fluke
PG7601 Piston Gauge
3069028

Fluke
52120A Transconductance Amplifier
4044885
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.
