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GTW-OY2518 Optical Variable Attenuator

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GTW-OY2518 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, therefore it can be used in the digital system of communication devices (such as: PHD, SDH) and also in the system of adopting analog modulation (CATV).

Application

l  Telecom Maintenance

l  CATV Maintenance

l  Comprehensive cable construction system

l  Optical instruments research and development

l  Optical communication education and lab testing

 

Features

l  GTW-OY2518A: 0~30dB Attenuation range

l  GTW-OY2518B: 0~60dB Attenuation range

l  Attenuating step 0.05dB

l  Stepwise attenuating by circumgyrated dial: attenuating step 0.05dB

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

l  Alternative function of 10 minutes Auto-off without operation

l  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

 

Specifications

Model

GTW-OY2518A

GTW-OY2518B

Attenuation range(dB)

0~30dB

0~60dB

Uncertainty

+5%

Working temperature

-10~+60oC

Storage temperature

-25~+70oC

Auto turn off time(min)

10min

Continue working time

More than 48 hours

Power

Rechargeable Li battery

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