Check the listing for details. Mini Optical Time Domain Reflectometer OTDR Visual Fault Locator Built-in VFL. Condition: New. Listed at 717.93 USD. Mini Optical Time Domain Reflectometer OTDR Visual Fault Locator Built-in VFL The product has a 5.6-inch capacitive full touch screen and integrates automatic OTDR, expert OTDR, event map,OPM,VFL, LS and other functions. The OTDR has a maximum dynamic range of 32/30dB and can achieve accurate testing up to 100km. It can achieve a minimum event dead zone of 3m and a maximum samplingresolution of 2.5cm.The OTDR is equipped with 4600mAh high density and large capacity polymer lithium battery, intelligent power saving management as well aspower supply/charging by a power bank .The JW3302E can be used to measure length, loss, connection quality and other parameters of all kinds of optical fiber and cable.lt is widely used in the engineering construction, line maintenance and emergency rescue test of FTTH, MAN and secondary backbone network communication system, as well as the development and production measurement of optical fiber and cable.Features: - Maximum dynamic range: 32dB, 256k data sampling point - Communication light automatic monitoring function - Support Bellcore GR196 and sr-4731 file format - Professional OTDR: measurement, curve, list, map simultaneous display - Support light source output of continuous/modulation mode - Automatic OTDR: one-key testing, no need for complex setting Specification: - Size: 177 x 109 x 37mm - Weight: 0.8kg - Working wave length: 1310/1550±20nm - Maximum dynamic range: 32/30dB - Events blind area: 3m - Attenuation blind area: 8m - Accuracy (m):±(0.75m + distance x 0.0025% + sampling cycle) (not consider the reflective error) - Resolution (m): 0.025, 0.05, 0.1, 0.2, 0.5, 1, 2, 4, 8, 16, 32 - Distance (km): 0.4, 0.8, 1.6, 3.2, 6.4, 16, 32, 64, 128, 256, 512 - Pulse width (ns): 5, 10, 30, 80, 160, 320, 640, 1280, 5120, 10240, 20480 - Maximum sampling point: 256k - Linearity (dB/dB): 0.03 - Loss resolution (dB): 0.001 - Refractive index setting range: 1.00000 ~ 1.99999 (0.00001 stepping value) - Distance unit: km, m, thousand chi, chi (1/3 meter) - Display: 5.6-inch TFT color LCD (capacitive touch screen) - Optical output port: FC/UPC - Outer port: USB Type-C, Micro-SD - Power input: AC/DC power adapter, AC100V~ 240V, 50/60Hz - Power output: DC12V/2A - Built-in lithium battery: 3.7V, 4600mAh - Battery working time: high brightness, standby time≥6h - Working temperature: 0℃ ~ +40℃ (battery charging: 5℃ ~ 40℃) - Storage temperature: -20℃ ~ +60℃ (battery: -20℃ ~ 60℃) - Relative humidity: 5% ~ 95%, non-condensing Package Included: - 1 x Host - 1 x Power Adapter - 1 x TF Card - 1 x User Manual - 1 x Storage Bag