Feature: 1. Micro Bending Test Technology: LED fiber identifier uses micro bending test technology for nondestructive testing, which can measure signal direction and power, avoiding line interruptions caused by misoperation, without interrupting the light source during online testing. 2. 3 Signal Frequency: Portable fiber identifier can identify 270Hz/1kHz/2kHz signal frequency, identify the frequency of a beeping tone, ten minutes without operation automatically shut down, energy saving. 3. Scope of Application: Fiber identifier has a visual fault location module with fault location function and power meter function for 3.0/2.0/0.9/0.25mm fiber optic lines. 4. Multifunction: fiber identifier supports 10mw red light source, VFL function, direction indication, power display, automatic shutdown, 270Hz/1kHz/2kHz signal frequency identification, LED light, 800 to 1700nm identification wavelength range. 5. Applications: Fiber identifier for non destructive fiber identification work, also available red light source test fiber optic line through light, can be detected in any position of single mode and multimode fiber, by shooting the 1310nm or 1550nm signal with modulation tone (270Hz, 1KHz, 2KHz) into the fiber at one end. Specification: Item Type: Optical Fiber Identifier Material: Plastic Identification Wavelength Range: 800 to 1700nm Recognition Signal Type: CW, 270Hz ±5%, 1kHz ±5% 2kHz ±5% Receiver Type: φ 1 mm In GaAs2pcs Adapter Type: φ 0.25(Applicable for Bare Fiber) φ 0.9(Applicable for φ 0.9 Cable) φ 2.0(Applicable for φ 2.0 Cable) φ 3.0(Applicable for φ 3.0 Cable) Signal Zone:Left Right LED Signal Direction Test Range: -46 to 10(1310nm), -50 to 10(1550nm) Signal Power Test Range: -50 to +10 Signal Frequency Display (Hz): 270, 1k, 2k Red Light Test Wavelength: 650nm± 10nm Red Light Output Power: >10mW Battery: AAx2 (Not Included). Package List: 1 x Optical Fiber Identifier (Battery Not Included)1 x Portable Storage Bag1 x User Manual