FST-6500 Optical Variable Atte

FST-6500 Optical Variable Attenuator FST-6500 handhold optical variable attenuator is used for continuously variable optical signal attenuation .As the attenuator is used in the laser system for the on-line testing, there, can be used in the digital system of communication devices (such as: PHD, SDH) and also in the system of adopting analog modulation (CATV) Application Telecom Maintenance CATV Maintenance Comprehensive cable construction system Optical instruments research and development Optical communication education and lab testing Other optical project Features stepwise attenuating by circumgyrated dial: attenuating step 0.05dB Provide with the function of displaying dB and dBm attenuating value Alternative function of 10 minutes Auto-off without operation After off the instruments, the system will have the memorizing of the attenuating value and the attenuating step, in order to restore the system back to the previous shut down state when open the instruments next time Technical Data Model FST-6500 A FST-6500 B Attenuation range(dB) 0~30 0~60 Uncertainty +5% Working temperature -10~60oC Storage temperature -25~70oC Auto turn off time(min) 10 Continue working time More than 48 hours Power Rechargeable Li battery

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