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Old 10th Nov 2019, 12:01 am   #30
Skywave
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Join Date: Jun 2006
Location: Chard, South Somerset, UK.
Posts: 7,457
Question Re: Soldering Iron For PCB's

Quote:
Originally Posted by Radio Wrangler View Post
Metcal bases are also staggeringly unreliable. People leave soldering irons on all day. Metcals are designed to be switched on right before soldering and straight off afterwards. They heat in only a few seconds. They are intended to let you swap a tip and be going again in under 10 seconds. Leave one on as a habit, and the base will die.
Yes, I've read that comment from you before, here, on at least one occasion. My Metcal power unit is an STSS-PS2V-02 (230 v.a.c. operation only). It's quite an old model. However, with this one, I have never experienced that failure which you have reported. Many have been the times when I have inadvertently left mine switched on for days - without the power unit failing.
Perhaps the power units you are referring to are different to mine.

Al.
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