UT691-20 Visual Fault Locator UT691 visual fault locator is designed for optical ber fault detection and locating, end to endoptical ber identication and more. It is IP54 rated, uses 650nm visible redlight with 2emitting modes of continuous or pulse. With the functions of APO, battery statusindicator and ashlight, it can be widely used in the elds of optical cable constructionand maintenance, optical ber communication or sensing, optical CATV and so on. Specification Model UT691-01 UT691-10 UT691-20 Laser output power 1mW 10mW 20mW Optical ber length range 2~3km 8~10km 12~15km Wavelength of redight 65010nm Optical ber adapter 2.5mm FC general connector Battery type 3.7V 1050mAh polymer lithium battery Battery life 12h 7h 5.5h Battery status display The battery status will be shown by 4 blue LED (not in ashlight) Green indicator Indicates auto power o state which LED will ash white light for 3 time Laser mode Continuous mode/Pulse mode Charge voltage and current DC 5V, < 1A APO 15min auto power o (manual adjustable) Warning symbol Warning Key pre test 5000 time Drop test 1m General Characteristic Power 1050mAh rechargeable battery Product color Red and grey Product net weight 62g Product size 130mm x 38mm x 27mm Standard inp> Gift box, English manual Standard quantity per carton 20pc Standard carton measurement 285mm x 245mm x 155mm Standard carton gro weight About 2.8kg