SKU: 97796671755

Optical Variable Attenuator EVA50-60

Sale price$248.45 Regular price$276.06
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Description

Optical Variable Attenuator EVA50-60Most 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: 97796671755

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4.0 ★★★★★
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Verified Purchase
Geri lee
Port Orchard, US
★★★★★ 1
Short rise
Even for a petite woman, the rise is very short
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 13, 2025
N
Verified Purchase
Natty
Alexandria, US
★★★★★ 5
Very comfortable and stylish
So difficult to find a pair of well fitting jeans that are comfortable and look good. Stretchy in all the right places. Waistband comfortable with a good fit. Length is exactly what I was looking for, not too short and not too long. Bought two additional pairs.
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Reviewed in the United States on December 27, 2025
L
Verified Purchase
loren calevro
Bozeman, US
★★★★★ 4
I will try another size
Size: 20 Long, Color: Tinted Ice Light Wash
My overall opinion of these jeans are that I like them. I got them in long length and the length is great. I am 6’1 and mostly legs and they are perfect ….but I do feel they run large ….I ordered them in my typical size and they were too big so I sized down they seemed like they were gonna be good ( I did still want a looser fit ) but because they do have some stretch not long after putting them on they are so loose I could pull them down without unbuttoning. I wish I would have tried going down at least two sizes.
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Reviewed in the United States on January 5, 2026
K
Verified Purchase
K. L. Gibboney
Cuba, US
★★★★★ 5
Good Jeans for daily wear
These jeans are a pleasant surprise. I had to experiment a bit with sizing, however I feel as though they fit a bit tighter than the same size in other brands I have tried. I am 5'7 and weigh about 145. A size 10 long fits well although a bit tight in the waist. They look good with a flat shoe. There is a little stretch, but don't expect a lot of stretch. Overall, I'm happy with them and will buy again.
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Reviewed in the United States on November 10, 2025
M
Verified Purchase
MDMom84
Grantham, US
★★★★★ 5
Look high end and fit like a glove
These are great quality jeans. I was debating to buy an expensive pair of 7 for all Mankind jeans for $150, but these fit just as well and for a fraction of the price. I am 5’6, 135lbs and I bought the 6 Long because I wanted them specifically to wear with heels for a dressier look. Super happy with them!
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Reviewed in the United States on October 11, 2025

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