ST-3303 Contitue-Optic Variable Attenuator

ST-3303 Contitue-Optic Variable Attenuator

It is used with single-mode fibers. With its features of rugged design, portable, ease-of-use and good cushioning, 3303 peforms just as well in a laboratory environment as it does in the field. In addition, the 3303 attenuator has the inimitable function of displaying both the output and the input o

 Specifications:

ST-3303 Handheld Optical Variable Attenuator

ST-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, there, therefore3303 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
    Alternative function of 10 minutes Auto-off without 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

Applications

    Telecom Maintenance
    CATV Maintenance
     Comprehensive cable construction system
     Optical instruments research and development
     Optical communication education and lab testing
     Other optical project

Type 3303
Attenuating wavelength Range 1260~1650nm
Fiber Model 9/125um SM
Optical Connector FC/PC
Calibrated wavelengths 1310/1490/1550/1625
Measurement Range 2.5~60dB
Resolution 0.05dB
Minimize Insertion Loss ≌2.5dB
Linearity ∮0.5dB
Repeating ∮0.2dB
Attenuating Accuracy ∮0.8dB
Back Reflection ≈35dBtypical value40dB
Max input ∠20dBm
Displaying type lattice 128*64 black and white, white back ground light
Rechargeable batteries 7.4V
Power supply adaptor 7~8.5V
Operation temperature 0~40
Storage temperature -10~60
humidity 0~85%non- condensation
Weight 450g


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