--- type: product schema_version: 1 stock_number: "69704-13" canonical_url: "https://www.artisantg.com/TestMeasurement/69704-13/Thermo-Keytek-E551-Surge-Coupler-Decoupler-Module" json_url: "https://www.artisantg.com/TestMeasurement/69704-13/Thermo-Keytek-E551-Surge-Coupler-Decoupler-Module.json" generated_at: "2026-11-07T04:43:53.786Z" last_updated: "2026-09-30T19:05:39.960-05:00" --- # Thermo / Keytek E551 Surge Coupler / Decoupler Module _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: Keytek - Model: E551 - Condition: Used and in Excellent Condition - Price: $5,100.00 USD - Availability: In stock, 1 available - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 35 lb - Shipping dimensions: 36X12X12 in ## Categories - Test Equipment > Electrical Test > EMC Testers (primary) ## Images - - - - -