--- type: product schema_version: 1 stock_number: "86820-1" canonical_url: "https://www.artisantg.com/TestMeasurement/86820-1/Keysight-Agilent-81511A-Optical-Head" json_url: "https://www.artisantg.com/TestMeasurement/86820-1/Keysight-Agilent-81511A-Optical-Head.json" generated_at: "2026-11-08T05:07:48.031Z" last_updated: "2026-04-06T13:32:15.610-05:00" --- # Keysight / Agilent / HP 81511A Optical Head _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: HP - Model: 81511A - Condition: Used and in Excellent Condition - Price: $895.00 USD - Availability: In stock, 1 available - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 12 lb - Shipping dimensions: 18X12X12 in ## Categories - Test Equipment > Optical Test > Heads (primary) ## Details ### Configuration - Wavelength Range: 550 to 950 nm - Maximum Core Diameter: 200 µm - Measurement Range: +10 dBm to -60 dBm ## Images - - - -