Overview
The handheld Fiber optic variable attenuator is designed to continuously and variably attenuate the optical signal.
The main application of this unit is for the laser system online test, so it is applicable for the PDH、SDH which include the communication instrument, and CATV system.
Model: BD-ATT-MM
Function and Features
² With built-in neutral density filter
² VOA attenuate the optical signal through the rotating dial on the keypad
² The attenuation range is from 2.5-60dB
Specification
|
Type
|
Handheld Variable Attenuator
|
|
Wavelength Range
|
800~1600nm
|
|
Applicable Fiber
|
50/125 or 62.5/125um MM
|
|
Connector
|
FC//SC/ST
|
|
Calibration Wavelength
|
850/1300nm
|
|
Attenuation Range
|
2.5~60dB
|
|
Resolution
|
0.05dB
|
|
Min Insertion Loss
|
<2.5dB
|
|
Linearity
|
± 0.5 dB
|
|
Repeatability
|
± 0.2 dB
|
|
Overall Attenuation Acuracy
|
± 0.8 dB
|
|
Back Refletion
|
> 35 dB(typical value :40 dB)
|
|
Max Acceptable Input
|
+20 dBm
|
|
Rechargeable Battery
|
7.4V
|
|
Power Adapter
|
7~8.5V
|
|
Working Temperature
|
0~40℃
|
|
Storage Temperature
|
-10~60℃
|
|
Humidity
|
0~85%
|
|
Weight
|
200g
|
Standard Accessories
1. Main Unit--------------------------------------------------------------------------1
2. Manual----------------------------------------------------------------------------1
3. Rechargeable Battery(7.4v)-------------------------------------------------1
4. Power Adapter(8.5v)-----------------------------------------------------------1
5. Recharger------------------------------------------------------------------------1
6. Cotton Swab---------------------------------------------------------------------1
Order Information
|
BD-ATT-MM
|
Variable Optical Attenuator, multi-mode, 2.5-60dB attenuator range
|