Recommendation? Thermocouple in my forge for heat treatment.

[Judcargile]

Judcargile - Take a look at my two-stage PID controller plans in the stickys. It eliminates the need for a gas-controlled valve. Basically, it regulates the flame between pre-set high and low temperatures and can be within a couple degrees of target. Simple to bui;ld.

I agree with you that finding a place out of the direct flame is important. That is why I suggested a ceramic sheath (thermowell) between the flames on the top.
When doing HT, placing the TC in the muffle (which acts as a thermowell) is the only way to be accurate.

Have not looked yet. No control valve?!?!?!

Process control is where I live and you raised my brow!

I will check that out; But, what is the final control element?

 

[Judcargile]

I did try several stickies and none open for me.

 

[Hubert S.]

I did try several stickies and none open for me.

There is a sticky about how to find stickies...

Attention - How to Find a Sticky Thread that comes up "OOPS! in a link - and how we can fix them together

Many of us are frustrated when a link in the stickys gives us, Oops! We ran into some problems. The thread is still there, the addresses were all modified by the new forum changes a while back. Here is how to find those threads: To find a thread that the link does not open do this: 1) Open...

www.bladeforums.com

 

[Stacy E. Apelt - Bladesmith]

PID Controlled Forge/Heat Treat oven plans & WIP

So after going through the stickys a couple weeks ago and finding all of the amazing plans for different PID controlled forges, tempering ovens, salt pot etc, I've switched gears fully to creating a really high-functioning PID controlled forge & heat treating oven. First off, thanks to other...

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Forge Build Tips Before I Build One

I'm about ready to start building a forge. I want to do it right from the start so I don't have to redo anything in the future and I want it to last. I've been reading through all the stickys and think I have most of it figured out, but some of the pictures and diagrams are missing now. I have...

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Vulcan's Chariot by Fred Rowe:

 

[Taz]

I learned the hard way not to put the TC in ceramic sheath into an already running forge this week! OOPS! Ceramic sheath started popping and breaking within seconds! Always have it in before you fire it up!