--- type: product schema_version: 1 stock_number: "61886-1" canonical_url: "https://www.artisantg.com/TestMeasurement/61886-1/Wavelength-Electronics-LFI-3551-Temperature-Controller" json_url: "https://www.artisantg.com/TestMeasurement/61886-1/Wavelength-Electronics-LFI-3551-Temperature-Controller.json" generated_at: "2026-11-07T12:55:11.771Z" last_updated: "2026-04-06T13:32:15.610-05:00" --- # Wavelength Electronics LFI-3551 Temperature 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: Wavelength Electronics - Model: LFI-3551 - Condition: Used and in Excellent Condition - Price: $850.00 USD - Availability: In stock, 8 available - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 20 lb - Shipping dimensions: 20X16X14 in ## Categories - Test Equipment > Optical Test > TEC (primary) ## Details This Wavelength Electronics LFI-3551 Temperature Controller is used and in excellent condition. ### Configuration - Voltage: ±8.0 V - Current: ±5.0 A - Power: 40 W ## Images -