LTS1500 光損耗測試儀光纖通訊 Loss Test Set-LTS
The FTE-4000 TTI Hａnd Held Variable Optical Attenuator is available in two models, with 40 dB attenuation level or 80 dB attenuation level to meet single mode testing requirements. Like the rest of the FTE line, the VOA has an onboard help feature. The FTE-4000 has a built in output power monitor to assist in setting the appropriate attenuation levels and a sweep mode which can scan the attenuation across desired levels.
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