Feature: 1. Multifunctional: Our optical time domain reflectometer fiber tester can also be an optical power meter, a stable light source and a red VFL visual fault locator. 2. LCD Display Intuitive: Our optical time domain reflectometer is equipped with a large LCD display, which makes it easy for users to grasp the test results in time. 3. One Button Operation: This optical time domain reflectometer VFL optical power meter adopts one button operation, users only need to simply press the button to complete the test. 4. Processing Test Data: OTDR fiber tester optical power meter can be uploaded to PC via USB port, which can be further analyzed or processed by management software. It can also be saved as a sor format file or batch printing. Reports include test conditions, test curves, link loss, average loss, etc. 5. Identify Fiber Breaks: This multifunctional optical time domain reflectometer VFL can be used to evaluate FTTx and access net construction and maintenance, identify fiber breaks, measure fiber cable lengths, and calculate relative optical power loss. Specification: Item Type: VFL OTDR Optical Power Meter Material: ABS Available With Optical Test Wavelength: 1310, 1277, 1490, 1550, 1625 Standard Optical Power Meter Number Wavelength Range (Nm): 800 - 1600 Probe Type: InGaAs Power Measurement Range (DBm): 50 - +26dbm Measurement Accuracy: 5% Display Resolution: 0.1dBm Fiber Category: Single Mode Fiber Interface: SC Red Light Source Working Wavelength (Nm): 650nm Light-Emitting Device: FP-LD Output Power (Mw): 10mw Modulation: OHZ, 1HZ, 2HZ Fiber Category: Single Mode Fiber Interface: SC Stable Light Source Working Wavelength (Nm): 1550nm Or 1610nm Light Emitting Device: FP LD Output Power (Dom): -10dbm Modulation: 270HZ, 1K. 2K Fiber Category: Single Mode Optical Loss Test Fiber Interface:SC Test Range:0-30db Measurement Accuracy:10% OTDR Laser Tube: 1550nm Or 1610nm Detection Diode:Avalanche APD Measurement Resolution:0.6m Event Blind Zone: Three Meters Attenuation Blind Area: 10m Test Pulse Width: 10, 30, 100, 300ns, 1, 3. 6us Scattering Depth: 20db (6us) Test Length (Event): 60km Test Length (Attenuation): 30km Power Supply: Lithium x 1 (4000MAH) (Shipped With Built In Battery) Power Adapter: Micro USB5V 1000mA Single Maximum Current: ≤200mA Standby Current: ≤10uA Battery Duration: ≥10H Automatic Shutdown Time: Adjusting Minutes Operating Temperature(℃):-10-+50 Storage Temperature(℃):-25-+70. Package List: 1 x OTDR Optical Time Domain Reflectometer1 x Aluminum Alloy Toolbox1 x Charger1 x USB Charging Cable1 Pack x Cotton Swab1 x FC Flange1 x Instruction Manual