--- type: product schema_version: 1 stock_number: "61744-1" canonical_url: "https://www.artisantg.com/61744-1/Newport-66331" json_url: "https://www.artisantg.com/61744-1/Newport-66331.json" generated_at: "2026-11-07T19:04:46.095Z" last_updated: "2026-10-14T13:00:51.160-05:00" --- # Newport / Oriel 66331 Chopper Controller _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: Newport - Model: 66331 - Condition: Used and in Excellent Condition - Price: $1,250.00 USD - Availability: In stock, 1 available - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 4 lb, estimated - Shipping dimensions: 14X14X6 in, estimated ## Categories - Lab & Analytical > Controllers (primary) ## Details ### Includes - Enclosed Chopper Head - 5-Pin Male Cable, Approximate Cable Length: 5 ft ## Function Motor-driven chopper controller that drives and synchronizes a rotating chopper head to modulate optical beams, providing adjustable chopping frequency, phase reference, and speed stability through feedback; accepts input timing reference, delivers tachometer or encoder signals for detector synchronization, and provides control interfaces for acceleration, dwell/lead time, and fault protection to maintain reliable modulation at specified nominal speeds. ## Images - - - - -