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Category archive: Other

On occasion one of the channels in my Kaye Validator 2000 read “OPEN”, what is the cause of this?

Answer: Typically a channel will read “OPEN” when either the positive or negative wire of the thermocouple has been damaged or has cracked. The most common place to find this is at the tip of the thermocouple whereby the twisted pair junction needs to be re-made. Ideally the junction should also be welded using a…

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