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
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Specifications |
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OPERATING PRINCIPLE |
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. |
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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. |
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WAVELENGTH DETECTION |
850 nm to 1625 nm |
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OPTICAL POWER DETECTION RANGE |
+3 dBm to -30 dBm |
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LIGHT DETECTION |
Visible steady red LED indicator when
optical power is detected |
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LIGHTBEAT™ INDICATOR |
Flashes twice every two seconds when
unit is on and battery strength is sufficient. |
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BATTERY SAVER |
Unit automatically turns off after
five minutes of inactivity |
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BATTERIES |
2 AAA alkaline batteries included |
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BATTERY LIFE |
Typically, greater than 1 year (5
hrs. of use a week) |
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ITEM SIZE |
0.6” x 1.0” x 6.6” / 1.6 x 2.5
x 16.8 cm |
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ITEM WEIGHT |
2.1 oz / 59 g |
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OPERATING TEMPERATURE RANGE |
-10 °C to 50 °C |
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OPERATING HUMIDITY RANGES |
95 % (10 °C to 35 °C) |
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Non-condensing 75 % (35 °C to 40 °C) |
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Non-condensing uncontrolled < 10
°C |
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OPERATING ALTITUDE |
≤ 3000 meters |
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STORAGE TEMEPERATURE |
-20 °C to 50 °C |
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Model |
Description |
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Fluke FiberLert™-125 |
FIBERLERT, 850 NM TO 1625 NM LIGHT
DETECTOR |