Find a Reliable Temperature Sensor for Cold Environments - 200K Capable!

AI Thread Summary
Temperature sensors capable of operating at 200K are challenging to find, as most thermistors and thermocouples fail around 223K. Platinum RTD sensors are suggested as a viable option for low-temperature applications. Omega and Lakeshore are recommended suppliers, with Lakeshore being noted as a leading provider of low-temperature sensors. Additionally, Scientific Instruments is mentioned as another potential source for these specialized sensors. Exploring these suppliers can help in finding suitable temperature sensors for extreme conditions.
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Does anyone know where I can purchase a temperature sensor that can operate at 200K? Thermistors and thermocouples all seem to fail around 223K.
 
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Lakeshore is the biggest supplier of low-temperature sensors.
You can also have a look at Scientific Instruments website
(among many others)
 

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