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With a PT100, I have burnout set to UP, but are there cases where it scales down, or starts at the lower limit when it recovers?

April 26, 2017burnout cases limit lower PT100 recovers scales Starts

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10 Posted

With a PT100, I have burnout set to UP, but are there cases where it scales down, or starts at the lower limit when it recovers?

1 Answer

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10 Posted

If either one of the wires is broken or disconnected it scales off to the upper limit. If the connection is restored when the wires are hot, it may immediately scale down due to the wiring contact, but once the connection is secure it will perform stably according to the response time of the converter.