Check the listing for details. Smart OTDR Optical Time Domain Reflectometer with VFL/OPM/OLS Touch Screen OTDR. Condition: New. Listed at 409.00 USD. Mini OTDR TM290 1310/1550nm with Integrated VFL/OPM/OLS/OTDR Touch Screen Optical Time Domain Reflectomete 1.OTDR: 1310/1550nm , 22/20dB, 0-60km 2.Optical Power Meter : -70~+10dbm or -50~+26dbm 3.Visual Fault Locator : >=10mw 4.Optical Light Source : 1310/1550nm ,>-5dBm Lightweight, portable, cost-effective One Key Operation, Legible Test Data Integrated with Visual Fault Locator system, it is easily to detect fault location of dead Zone Use the rubber Key, good dustproof, waterproof, quakeproof ability, suitable for field maintenance work Use big capacity battery, long working time, suitable for long time field working Suitable for engineer construction and maintenance fault location of FTTx and access network Wavelength 1310/1550nm Dynamic Range 22/20dB Measure distances 0-60km Fiber type SM Type of Fiber 9/125um Single-mode optical fiber Type of Connectors FC/PC/ (FC/APC Connector can be customized) Peak Value of laser >=30mW UOM of Measurement Meter,Feet,Mile Dead Zone of Reflection Event 2m Dead Zone of attenuation Event 12m Accuracy Distance (Reflection Event) About +_(1m+2 *10(-4)* distance) Number of test records saved 200 Power Supply 7.4V Li-ion Battery 4400mAH Battery working time >=5,000 times of measurements Temperature Operate :-5~50 ,Store:-10~60 Humidity 0~85%(Non-condensing) Weight(g) 300 1. Visual Fault Locator Wavelength : 650nm VFL Output Power >=10mW Mode CW，1Hz，2Hz Fiber type SM/MM 2.Optical Power Meter Measurement range dBm -70～+10 dBm -50～+26 dBm Wavelength range（nm） 800～1650 Calibrated wavelength 850nm、1300nm、1310nm、1490nm、1550nm、1625nm（other wavelength will be on request） Detector InGaAs Accuracy