ItemGDR-05A1GDR-05A2Type of optical fiberSingle-modeSingle-modeCenter wavelength1310nm/1550nm/ ±20nm1310nm/1550nm/ ±20nmMaximum dynamic range(dB)32/3035/33Event blind zone1.5m1.0mAttenuation blind zone8m8mDisplay type5 inch,color LCD,touch screen operationOptical interfaceFC/UPC (interchangeable SC,ST)Test range (km)500m,1km,2km,4km,8km,16km,32km,64km,128km500m,1km,2km,4km,8km,16km,32km,64km,128km,256kmPulse width(ns)10,30,50,100,275,500,1000,5000,100005,10,30,50,100,275,500,1000,5000,10000,20000Range accuracy±(1m+samling interval+0.005% × distance）Attenuation measurement accuracy±0.05dBReflection measurement accuracy±4dBData storage1000 test curvesCommunication interfaceUSBVisible red light sourceOutput power ≥5mWTest distance≥10kmPower supply modeAC/DC adapter:AC:100V~240V(1.5A),50/60Hz DC:18V to 20V(2A) Internal lithium-ion battery pack:7.4V,4400mAhBattery operation time≥15hOperating temperature-10°C~50°CStorage temperature-20°C~70°CRelative humidity0~95%，no condensationWeight≥1kgVolume170mm × 155mm × 58mm
