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Posted by BoilingMan on May 24, 2002 at 11:13:22:
In Reply to: Re: Maintain the temperature and measure the temperature of water vapor posted by Qiu Jiayou on May 24, 2002 at 05:57:48:
: : You will need an external heater to superheat the vapor past the saturation point. This must be done in the absence of liquid. There are commercially available electric superheaters that you can purchase, but they are costly.
: Yes, now I design the external heater by myself, but the outlet temperature is not stable. And can you tell me how to measure the temperature under such a low pressure? By the way, what is the rough price for that kind of electric superheater? can you tell me some website or company names?
: Thank you
I figured out you do it for kinda research.
What you could do.Use some tiny hot plate( there are some about 3-4" in DIA for worm up food) with variable transformer, which will aloud you to change temperature, put a loop of 5/16 copper tube approximately over it and blow your steam through it.
To mesure temperature you can use tiny thermocouple attachment to Fluck multimeter, just stick it inside your tube through a little hole.
BTW if steam flow from your generator is not constant the temperature will fluctuate as well.
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