Heat treating oven control equipment

Yes use a solid state relay any thing else will were out fast . Here is the type of probe I use .

I have an earlier version of the same controller on my furnace and it works very well. Use a solid state relay, just make sure you heat sink it.

Omega makes any kind of thermocouple you need and they have a website. Make sure the controller turns off with loss of thermocouple signal.

I used two neon pilot lights on my set-up. One was a master power "On" and the other was "Heater Power" , downstream of the relay showing when the heater is energized and thus giving a ready indication of proper relay/controller function.

Randy

Re: Heat treating oven control equipment

Why does your oven control equipment need to be heat treated? (Sorry, I just couldn't resist 8-) ) Bob

Thanks for the advice and web sites. Bob my English (my first and only language) may not be perfect but I get along and I did appreciate your humor.

John

I know little about heat treating, but from what I do know about the temp ranges involved I think a type K thermocouple would be suitable. Type K is good up to about 2000 deg F, maybe a bit higher, most controllers I've seen accomodate type K and they're readily available.

You can get type K thermocouple wire from McMaster, along with the yellow connectors for them. It's easy to weld up thermocouples from wire, and it's a lot cheaper than buying them readymade if you don't need 0.1 degree absolute accuracy.

I weld "utility" thermocouples with a Smith O/A Li'l Torch. If I want them better than that, I TIG weld them! I pull an arc with the TIG to a c>I have a small 6"x6"x4" oven and need temperature control.