Digital Variable Optical? Attenuator, attenuators variable Overview:
The FHV digital variable optical attenuator is a compact, portable instrument widely used in fiber link certification and routine maintenance.

Features:
-Low insertion loss, wide attenuation range
-Three attenuation steps available:? 10dB, 1.0dB, 01dB.
-Low power consumption ? Specifications:

Model	FHA2S01	FHA2S02
Attenuation?Range	0-80dB	0-60dB
Fiber?Type	SMF?9/μm
Calibrated?Wavelength	1310nm/1550nm
Linearity	≤0.3dB
Accurancy	0.2?dB?@?3~30dB 1.0?dB?@?30~60dB 2.0?dB?@?60~80dB	0.2?dB?@?3~20dB 1.0?dB?@?20~50dB 2.0?dB?@?50~60dB
Insertion?Loss	<3dB
Return?Loss	>50dB(PC)
Max?Input?Power	24dBm
Power?Supply	1.2V?Ni-MH?Battery*2pcs
Connector	Interchangeable?FC/PC,SC/PC,ST/PC?connectors. (FC/APC,SC/APC?are?available?at?time?of?ordering)
Operating?Temperature	-10?to?+50
Storage?Temperature	-20?to?+60
Relative?Humidity	0-95%(Non-condensing)
Dimension(mm)	160L*76W*45H(nm)
Weight(Gram)	360g(Battery?Included)

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Ordering Information:
Standar accessories:
FC/SC/ST interchangeable connectors, Carrying case, User Manual, carrying case, Worldwide compatible AC/DC adapter Optional accessories: FC/PC male-LC/PC female Adaptor,Silicon Boot,Carrying Box. ? ?