Wartsila’s User Group › Forums › 34 SG Wartsila Engine › Exhaust Gas Thermocouple This topic has 15 replies, 5 voices, and was last updated 6 years, 2 months ago by Anonymous. Viewing 16 post (of 16 total) ← 1 2 Author Posts July 25, 2017 at 8:57 pm #1689 AnonymousInactive Thanks David, Mike a thermocouple will read ohms , and depending on temperature as to how much, when these go bad they read Open. Author Posts Viewing 16 post (of 16 total) ← 1 2 You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In