详细资料：TheAgilent81578Avariableopticalattenuatorisdesignedformultimodefiberapplicati***andfeatureslowestinsertionlossandexcellentw***elengthflatnessoveracompleteattenuationrangeof60dB,forcharacterizingopticalnetworkcomponentsfortelecomunicationanddatacommunicationinsystems.Features:Built-inShutterforPowerMeterZeroingBuilt-inCalibrationCapabilityBenefits:Theintegratedshutterprotectstestequipmentandsimplifiesreferencingandpowermeterzeroingwithoutchangesinthesetup.Enhancedinternalcalibrationfeaturereducesuncertaintiesandspeedsupcalibrationinmultiw***elengthapplicati***.仪器保证：我们的大多数设备在装运之前均经过严格的质量检测与校验。也可申请***计量证书。)