All Categories
EN

Optical Variable Attenuator

Home > Products > Test and Measurement > Optical Variable Attenuator

  • https://www.tribrer.com/upload/product/1666675774684495.jpg
  • https://www.tribrer.com/upload/product/1666675774665325.jpg
  • https://www.tribrer.com/upload/product/1666675774975860.jpg
  • https://www.tribrer.com/upload/product/1666675775863559.jpg

Optical Variable Attenuator (Digital) EVA50

Rugged and compact design, EVA50 is designed to help

Contact us
  • Specification
  • Ordering Info
  • Inquiry
  • Downloads

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

ModelEVA50-40EVA50-60EVA50-80
Attenuating Range40 dB (SM)60 dB (SM)80 dB (SM)
Calibrated Wavelengths1310nm / 1490nm / 1550nm
Fiber ModeSM
Attenuating ModeDigital
Display Resolving Power0.1dB
DisplayLCD, 128*64
Max Input Power+ 21 dBm
Return Loss* > 40 dB
Insertion Loss*< 2.5 dB
ConnectorFC/PC (or customize)
Uncertainty± 0.5 dB
Repeatability*± 0.2 dB
RS-232Optional
Auto Power OffNo operation in 10 minutes (can be canceled), Low battery energy
Battery ChargeYes
Operate TimeAbove 20 hours
Power Supply3 * AA batteries or AC/DC adapter

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

Size(H*W*D)190mm * 90mm * 40mm
Weight 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

Standard
20180704132136_819

Carrying bag

20180704132759_683

Calibration certificate

20180704111941_979

Manual

20180703155622_277

Packing box

20180703160023_201

AC/DC adapter

Contact Us
totop