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heat treating steel
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<blockquote data-quote="Johnwa" data-source="post: 548" data-attributes="member: 4"><p>After finding a thermocouple I tested my controller. The higher range settings seem to work fine. There were relay clicks at the set point and at Alarm1. The led for Alarm2 came on at the right temperature but there was no relay click. The controller was easy to take apart and there is a spot for the relay, it is just not installed. I can't say how accurate the temperature readings are as I haven't tried to test that.</p></blockquote><p></p>
[QUOTE="Johnwa, post: 548, member: 4"] After finding a thermocouple I tested my controller. The higher range settings seem to work fine. There were relay clicks at the set point and at Alarm1. The led for Alarm2 came on at the right temperature but there was no relay click. The controller was easy to take apart and there is a spot for the relay, it is just not installed. I can't say how accurate the temperature readings are as I haven't tried to test that. [/QUOTE]
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