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JW3303 Optical Variable Attenuator
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JW3303 Optical Variable Attenuator

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Description
JW3303 Optical Variable Attenuator
JW3303 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, JW3303 can be used in the digital system of communication devices (such as: PHD, SDH) and also in the system of adopting analog modulation (CATV)

Main 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

JW3303

Attenuating wavelength Range

1260~1650nm

Fiber Model

9/125um SM

Optical Connector

FC/PC

Calibrated wavelengths

1310/1490/1550/1625nm

Measurement Range

2~60dB

Resolution

0.05dB

Minimize Insertion Loss

2.0dB

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


Standard Packages

MODEL

INCLUDES

JW3303

JW3303 Main Body, Protective Rubber Boot, Rechargeable battery, Power Supply Adaptor, Instruction Manual and Cotton Swabs and Rigid hard carrying case.