

FiberLert, 850 Nm to 1625 Nm Light Detector
SKU: FIBERLERT-125
Want to quickly verify fiber activity, polarity, and connectivity without spending thousands? Now you can for less than $200. Check out the FiberLert.
List price. Volume pricing available.
Want to quickly verify fiber activity, polarity, and connectivity without spending thousands? Now you can for less than $200. Check out the FiberLert.
Key Features
- Detects optical power in SM and MM fiber (850 to 1625 nm)
- No setup or interpretation – light and sound indicate signal
- “Non-contact” detector reduces risk of contamination and damage
- Suitable for ports and patch cords, SM, MM, UPC and APC
- LightBeat feature indicates operation and battery status
The Fluke Networks FiberLert, 850 Nm to 1625 Nm Light Detector # FIBERLERT-125 is manufactured by Fluke Networks. Valley Instrument Service is an authorized Fluke Networks dealer offering full sales support, NIST-traceable calibration, and expert technical assistance.
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Contact Us or Call (661) 327-8681| General | Specifications |
| 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 |
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6 Pack - FiberLert-125 Live Fiber Detector, 850 Nm to 1625nm
6 Pack - FiberLert-125 Live Fiber Detector, 850 Nm to 1625nm
