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Current position:Home >> Products >> Fiber Optic Test Equipment >> Variable Attenuator Variable Attenuator
  1. 【Name】  Variable Attenuator M-703
  2. 【Category】  Variable Attenuator
  3. 【Description】  M-703 handhold optical variable attenuator is used for continuously variable optical signal attenuat

M-703 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, M-703 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

Specifications

Type

M-703

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

35dBtypical   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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