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I am trying to find a distance sensor (for obstacle avoidance) that works in really high temperature zones (~600 degree C). I also need a temperature sensor for avoiding my robot to move in certain high temperature zones. Do you think an (passive) IR can be used for doing both simultaneously.

Are there any other suggestions for proximity sensors that run in such high temperature zones??

Thanks :)

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    \$\begingroup\$ How do you propose to measure distance with an IR sensor? Are you thinking of a passive IR sensor? Please edit your question to post the required information - not in the comments. \$\endgroup\$ – Transistor Mar 28 at 18:12
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    \$\begingroup\$ No, because the IR wavelengths used for temperature and distance measurement are different. Thermal IR is far IR and rangefinding uses near IR. Using thermal IR for rangefinding would literally be sending out a heat beam to heat up the object and using that to measure distance so it's impractical. \$\endgroup\$ – DKNguyen Mar 28 at 18:16
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    \$\begingroup\$ You must be leaving out some information Needing the rangefinding to work in 600C implies your entire robot has to operate in 600C which means you have bigger temperature problems than the landers sent to Venus. It would also means you were looking for other sensors and electronics for the rest of your robot that work in 600C which don't exist. Working around 600C objects is not the same as working in 600C. \$\endgroup\$ – DKNguyen Mar 28 at 18:21
  • \$\begingroup\$ So the device is supposed to be used on an active volcano crater. 600C is an estimate (considering lava has a temperature roughly between 1000C to 1200C). The entire robot is being designed for this purpose. \$\endgroup\$ – Tani1297 Mar 29 at 19:11
  • \$\begingroup\$ That information belongs in the question, not buried in the comments. Please read all the comments carefully and try to address each point raised by putting the information in your question. Welcome to EE.SE. \$\endgroup\$ – Transistor Mar 29 at 19:21

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