The Handheld Digital Display Adjustable Optical Attenuator
The Handheld Digital Display Adjustable Optical Attenuator The U8631 handheld digital display adjustable optical attenuator can continuously and variably attenuate optical signals. This device is mainly used for online testing of laser systems. It is applicable to digital system applications including communication equipment (SDH synchronization and PDH quasi-synchronization) as well as systems that adopt analog modulation (CATV). Model U8631 Attenuation wavelength range 1260
The Handheld Digital Display Adjustable Optical Attenuator
The U8631 handheld digital display adjustable optical attenuator can continuously and variably attenuate optical signals. This device is mainly used for online testing of laser systems. It is applicable to digital system applications including communication equipment (SDH synchronization and PDH quasi-synchronization) as well as systems that adopt analog modulation (CATV).
| Model |
U8631 |
| Attenuation wavelength range |
1260～1650nm |
| Type of optical fiber |
9/125um single-mode optical fiber |
| Joint type |
FC/PC |
| Calibration wavelength |
1310/1490/1550/1625nm |
| Attenuation range |
2.5～60dB |
| Resolution |
0.05dB |
| Insertion loss |
<2.5dB |
| Linearity |
± 0.5 dB |
| Repeatability |
± 0.2 dB |
| Overall attenuation accuracy |
± 0.8 dB |
| Loss recovery | > 35 dB (typical value 40 dB) |
| Maximum input power |
+20 dBm |
| Display type | Dot matrix 128*64 black and white, with white backlight |
| Rechargeable battery |
7.4V |
| Power adapter |
7～8.5V |
| Working temperature |
0～40℃ |
| Storage temperature |
-10～60℃ |
| Humidity | 0-85% (Non-condensing |
| Weight |
450g |
Functions and Features
U8631 uses a neutral-density filter to attenuate the optical signal. The attenuation is achieved by rotating the rotating dial on the front panel of the instrument, with the attenuation range being between 2.5 and 60dB.
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