Data Sheet

Specifications
Feature Description
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.
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 2.87” x 1.42” x 10.27” / 7.4 x 3.6 x 26.1 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
Ordering Information
Model Description
Fluke FiberLert™-125 FIBERLERT, 850 NM TO 1625 NM LIGHT DETECTOR
FiberLert™ Live Fiber Detector Page 3 of 5
DATASHEET