Optical Variable Attenuator

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Optical Variable Attenuator (Digital) EVA 50

Rugged and compact design, EVA50 is designed to help

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Most compact and rugged portable attenuator on the market

Three wavelengths: 1310nm / 1490nm / 1550nm

Different attenuator range, 40dB, 60dB or 80dB

Can save current value as reference

Can save 10 tracks attenuation value

Memorize the value after instruments shut down

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Ib xyoos lav thiab Peb-xyoo pom zoo calibration ncua sij hawm

Qauv

EVA50-40

EVA50-60

EVA50-80

Attenuating Range

40 dB (SM)

60 dB (SM)

80 dB (SM)

Calibrated Wavelengths

1310nm / 1490nm / 1550nm

Fiber Mode

SM

Attenuating Mode

Digital

Zaub daws lub zog

0.1dB

Zaub

LCD, 128*64

Max Input Power

+ 21 dBm ib

Return Loss* 

> 40 dB

Insertion Loss*

< 2.5 dB

Txuas

FC/PC (or customize)

Uncertainty

± 0.5 dB

Repeatability*

± 0.2 dB

RS-232

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Roj teeb Charge
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Ua Si Sijhawm Saum toj no 20 teev
Fais fab mov 3 * AA roj teeb lossis AC / DC adapter

* ntawm 20±3℃, CW, with FC/PC connector,1550nm

Loj(H*W*D)       

190mm * 90mm * 40mm

Qhov hnyav 

About 450g

Cia Kub 

-20 -- +60°C, < 90%RH

Ua haujlwm kub 

-10 -- +50°C, < 90%RH

EVA50-XX

Qauv

EVA50-40 = 40dB

EVA50-60 = 60dB

EVA50-80 = 80dB

Txuj
  • nqa hnab  


  • Calibration daim ntawv pov thawj


  • Phau ntawv

  • Ntim lub thawv

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  • AC / DC adapter

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