Problems with temperature instruments
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There is a need on site for temperature measurement at the top of the furnace; the temperature range required is 0–1500 degrees, with an actual operating temperature of 1300 degrees. There are fans at the top of the furnace, and corundum tubes break under such conditions. The 3039 material does not have sufficient heat resistance; there are materials that are better than 3039 for this purpose. C52，2114
What is a medium? How much pressure? Looking for metal sleeve solutions?
http://bbs.hcbbs.com/thread-1493783-1-1.html This analysis is very good
Whiton Chemical analyzed the opening position and the operating temperature, but the temperature he selected is not suitable for the owner’s situation. The owner’s environment features high temperatures along with alternating hot and cold conditions; as a result, both corundum and ceramics will break, while metal materials lack the corrosion resistance required at such high temperatures.
1. Install horizontally; if the corundum sleeve breaks, let it break, but loosen the terminal block and seal all inlets and outlets of the junction box. 2. To truly avoid breakage, a bellows is used to connect the flange and the corundum tube.
Due to material issues, a double-layer structure can be used, with corundum on the inside and silicon carbide on the outside
If the temperature is too high, it is recommended to use a non-contact thermometer if precision allows; would that work as well?
When installing the temperature sensing device, it should not be inserted all the way at once; instead, insert it 50 mm deep and wait for 10 minutes, then insert another 50 mm and wait for 15 minutes. Continue in this manner until the device is fully inserted.
SH3005 provides recommendations regarding the casing material; I hope this can help you.