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Optical Variable Attenuator

Optical Variable Attenuator

3303 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, therefore, 3303 can be used in the digital system of communication devices (such as: PHD, SDH) and also in the system of...

  Product Details

3303 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, therefore, 3303 can be used in the digital system of communication devices (such as: PHD, SDH) and also in the system of adopting analog modulation (CATV)


Features :

* stepwise attenuating by circumgyrated dial: attenuating step 0.05dB

* Provide with the function of displaying dB and dBm attenuating value

* 10 minutes Auto-off function can be activate and deactivate with keypad 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

* Portable, rugged, lightweight; Easy to use.


Applications :

Telecom Maintenance

CATV Maintenance

Comprehensive cable construction system

Optical instruments research and development

Optical communication education and lab testing

Other optical project


Specifications :

Type

3303S                                  3303M

Attenuating wavelength Range

1260~1650nm                            850~13000nm

Fiber Model

9/125um                         62.5/125um (50   Optional)

Optical Connector

FC/PC

Calibrated wavelengths

1310/1490/1550/1625nm

Measurement Range

2.5~60dB

Resolution

0.05dB

Minimize Insertion Loss

2.5dB

Linearity

±0.5dB

Repeating

±0.2dB

Attenuating Accuracy

±0.8dB

Return Loss at Input/ Output

35dBtypical   value40dB

Max input

20dBm

Displaying type

lattice 128*64 black and white, white back ground light

Rechargeable batteries

8.4V

Power supply adaptor

8.4V

Operation temperature

0~40℃

Operation Time

40 hours

Storage temperature

-10~60℃

humidity

0~85%non-   condensation

Dimensions

180X90X36.5

Weight

427g



Specificatio

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