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Old 21st Feb 2021, 5:22 pm   #12
ajgriff
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Join Date: May 2004
Location: Halifax, West Yorkshire, UK.
Posts: 1,870
Default Re: Weller EC2000D repair

Impressive analysis Peter. Presumably you measured the sensor's resistance by monitoring current and voltage. If the 78Ω resistor works in practice I wonder if you could reveal the source of your particular Hakko type iron?

Alan
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