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Atténuateur variable OTT-350

Oxin handhold optical variable attenuator, OTT-350, is used for continuously variable optical signal attenuation. As the attenuator is used in the laser system for the on-line testing, therefore, OTT-350 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 and Benefits:
  • 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
  • Telecom Maintenance
  • CATV Maintenance
  • Comprehensive cable construction system
  • Optical instruments research and development
  • Optical communication education and lab testing
  • Other optical project
Ordering Information Description Part Number
Optical Variable Attenuator OTT-350
Packaging Description
Cardboard box, 1 unit per box
Technical Characteristics Parameter Value
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 >35dB (typical value40dB)
Max input +20dBm
Displaying type lattice 128*64 black and white, white back ground light
Physical Characteristics Parameter Value
Power Supply Rechargeable Battery + Power Supply Adaptor
Battery Operating Time 40 hours
Dimensions 180 mm x 90 mm x 36.5 mm
Weight 427 g
Mechanical Characteristics Parameter Value
Operating temperature 0 ~ 40oC
Storage temperature -10 ~ 60oC
Relative humidity 0~85% (non-condensation)

Product Datasheet (PDF)