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Handheld Optical Variable Attenuator
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Handheld Optical Variable Attenuator

TJ04A1401 handhold optical variable attenuator is used for continuously variable optical signal attenuation.

  • TJ04A1401
Delivery Date:5 daysBrand Name:T&J
Old model:JT3303Attenuating wavelength Range:1260~1650nm
Fiber Model:9/125um SMCalibrated wavelengths:1310/1490/1550/1625nm
Measurement Range:2.5~65dBResolution:0.05dB
Minimize Insertion Loss:<2.5dBDimension:180x90x36.5mm
Weight without battery (g):430Origin:China

TJ04A1401 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, JT3303 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:

  1. stepwise attenuating by circumgyrated dial: attenuating step 0.05dB

  2. Provide with the function of displaying dB and dBm attenuating value

  3. 10 minutes Auto-off function can be activate and deactivate with keypad operation.

  4. 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

  5. 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:

Old PN

JT3303

New PNTJ04A1401

Attenuating   wavelength Range

1260~1650nm

Fiber Model

9/125um SM

Optical   Connector

FC/PC

Calibrated   wavelengths

1310/1490/1550/1625nm

Measurement   Range

2.5~65dB

Resolution

0.05dB

Minimize   Insertion Loss

<2.5dB

Linearity

±0.5dB

Repeating

±0.2dB

Attenuating   Accuracy

±0.8dB

Return Loss   at Input/ Output

>35dB(typical value40dB)

Max input

+27dBm

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)

Dimensions

180x90x36.5

Weight without battery (g)

430

 

Standard Packages

MODEL

INCLUDES

TJ04A1401

TJ04A1401 Main Body, Protective Rubber   Boot, Rechargeable battery, Power Supply Adaptor, Instruction Manual and   Cotton Swabs and Rigid hard carrying case.

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