--- type: product schema_version: 1 stock_number: "55304-21" canonical_url: "https://www.artisantg.com/55304-21/Exfo-FVA-3100-B58" json_url: "https://www.artisantg.com/55304-21/Exfo-FVA-3100-B58.json" generated_at: "2026-11-07T05:54:33.358Z" last_updated: "2026-10-14T13:00:51.160-05:00" --- # Exfo FVA-3100-B58 Variable Attenuator _Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._ ## Summary - Manufacturer: Exfo - Model: FVA-3100-B58 - Condition: Used and in Excellent Condition - Price: $3,495.00 USD - Availability: In stock, 1 available - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 7 lb, estimated - Shipping dimensions: 14X14X6 in, estimated ## Categories - Test Equipment > Optical Test > Attenuators (primary) ## Details FVA-3100-B58 - Optical Interface: *FC/APC - Fiber Type: 9/125 µm - Wavelength Range: 1200 to 1650 nm *This unit comes with the standard Exfo optical interface as shown here. The Exfo Universal Interface (EUI) Connector Adapters are sold separately. They can be purchased here. ## Function Variable optical attenuator for singlemode 9/125 µm fiber, FC/APC interface, 1200-1650 nm range, =70 dB max attenuation, 0.005 dB resolution, ±0.1 dB linearity, ±0.03 dB repeatability, >55 dB return loss, >100 dB shutter isolation; simulates fiber loss, calibrates instruments, measures power meter linearity, characterizes EDFA systems via GPIB/serial interfaces. ## Images - - - -