SKU: 83094703629

Optical Variable Attenuator EVA50-40

Sale price$205.86 Regular price$228.73
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Description

Optical Variable Attenuator EVA50-40Most 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

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

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 83094703629

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4.1 ★★★★★
Based on 30 reviews
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Verified Purchase
Richard M.
Lake Worth, US
★★★★★ 4
This is a well constructed wallet and they used good material
Color: Coffee Brown, Style: Casual
I really like the leather, and all the compartments for the credit cards and two IDs. The only issue I’ve had with this wallet is it’s just a little too high. Should be a quarter of an inch shorter because it’s awkward putting it in and out of your your pocket.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 15, 2026
S
Verified Purchase
Scott
Lowell, US
★★★★★ 5
Very nice
Color: Navy Blue, Style: Classic
A nice wallet and it is genuine leather.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
E
Verified Purchase
eyesofgreen
Pawtucket, US
★★★★★ 5
Fit in pocket
Color: Dark Gray, Style: Classic
Bought as a gift. My husband really liked it, held all his cards. The leather was very nice. Color was very soft gray and I liked it better than the normal black or brown. Wallet fit well into his back pocket.
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Reviewed in the United States on April 29, 2026
D
Verified Purchase
David Walonick
New York, US
★★★★★ 3
OK but not right for me
Color: Black, Style: Classic
Very stiff. Feels bulky. Well constructed and good quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
K
Verified Purchase
Krystal
Grantham, US
★★★★★ 5
Wallet
Color: Coffee Brown, Style: Classic
I love how it feels. Great looking wallet
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026

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