LCD OTDR Optical Time Domain Reflectometer Optical Power Meter Fiber Tester VFL Visual Fault Locator US Plug 100‑240V 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