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| Categories | Variable Optical Attenuator |
|---|---|
| Brand Name: | YOUCii |
| Model Number: | U8320 |
| Place of Origin: | CHINA |
| MOQ: | 1pcs |
| Price: | negotiate a price |
| Payment Terms: | L/C,D/A,D/P,T/T,Western Union,MoneyGram,D/A |
| Supply Ability: | 5pcs+per month |
| Delivery Time: | 21 work days |
| Packaging Details: | cartons |
| Attenuator Range: | 0~40 dB |
| Wavelength Range: | 850 nm |
| Fiber type: | MMF 50/62.5 |
| Operation Temperature: | 0~ +40℃ |
| Repeatability: | ≤±0.05 dB |
| Weight: | 2.0~5.0 kg |
| Company Info. |
| Guangzhou UC Instruments., Co. Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
Multimodedigital Variable Optical Attenuator Attenuator Range Of 0~40 DB
The U8320 benchtop dimmable optical attenuator is mainly used for channel balancing and power balancing in DWDM systems, as well as optical measurement and applications of AWG & PLC components, optical amplifiers and other general purpose fibers. The U8320 benchtop optical attenuator is a high precision and wide range optical power attenuator. Euwest Instruments offers a choice of single - and two-channel or four-channel optical attenuators, as well as up to 32 - channel host control solutions.Both the optical output and optical input interfaces (U8320) are FC/PC ports.
U8320 Multimodedigital Variable Optical Attenuator specification
| Model | U8320 | ||
| Attenuator Range | 0~40 dB | ||
| Wavelength Range | 850 nm | ||
| Insertion Loss | ≤ 1.5 dB | ||
| Fiber type | MMF 50/62.5 self-adaptation | ||
| Connector Type | FC/PC Connector | ||
| Attenuator Accuracy | ≤ ± 0.2 dB | ||
| Repeatability | ≤±0.05 dB | ||
| Attenuation Transition Speed | 0.1 ~ 35 dB/s | ||
| Polarization Depend Loss | ≤0.25 dB (0 ~ 40 dB). | ||
| Return Loss | > 30 dB | ||
| Recalibration Period | 2 years | ||
| Operation Temperature | 0~ +40℃ | ||
| Storage Temperature | -30~+80℃ | ||
| Power | 100~240 V | ||
| Dimensions | 245 mm W, 105 mm H, 320 mm D | ||
| Weight | 2.0~5.0 kg | ||
Both single-mode and multi-mode can be assembled as four-channel, model: U8314 / U8324, with the same performance index as single-channel.

The user asked the following questions:
1.What does an attenuator do for fiber?
Attenuators are used to temporarily add a calibrated amount of signal loss in order to test the power level margins in a fiber optic communication system. In the second case, attenuators are permanently installed in a fiber optic communication link to properly match transmitter and receiver optical signal levels
2.What are the types of variable optical attenuators?
Basically, there are two types of optical variable attenuators: stepwise variable attenuators and continuously variable attenuators.
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