Optical Variable Attenuator EVA50-40 
Optical Variable Attenuator EVA50-40 
Optical Variable Attenuator EVA50-40 
Optical Variable Attenuator EVA50-40 
Optical Variable Attenuator EVA50-40 
Optical Variable Attenuator EVA50-40 

Optical Variable Attenuator EVA50-40

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Product Testing

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Our products include optical fiber equipment, optical cable, accessories, tools, etc., whether you are a wholesaler, distributor, engineer, ISP, we can meet your needs.

14 months Warranty

Our warranty is above industry standards, up to 14 months. This is based on our confidence in the quality of our products and we want to give our customers more protection
Description

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

Energy save mode

One-year warranty and Three-year recommended calibration interval

Model 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
Display Resolving Power 0.1dB
Display LCD, 128*64
Max Input Power + 21 dBm
Return Loss* 40 dB
Insertion Loss* 2.5 dB
Connector FC/PC (or customize)
Uncertainty ± 0.5 dB
Repeatability* ± 0.2 dB
RS-232 Optional
Auto Power Off No operation in 10 minutes (can be canceled), Low battery energy
Battery Charge Yes
Operate Time Above 20 hours
Power Supply 3 * AA batteries or AC/DC adapter

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

Size(H*W*D) 190mm * 90mm * 40mm
Weight/td> About 450g
Storage Temperature -20 -- +60°C, < 90%RH
Operating Temperature  -10 -- +50°C, < 90%RH

EVA50-XX

Model

EVA50-40 = 40dB

EVA50-60 = 60dB

EVA50-80 = 80dB