This pocket-sized tool tests: Single-mode Multimode UPC and APC patch cords Ports with a non-contact / non-contaminating detector The LightBeat™ feature flashes the LED, indicating a powered-on condition and good battery and 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. Specifications: Fluke Networks FiberLert™ Fiber Light Detector 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
