Egad! Are they still around? Decades ago we used to make "variable
temperature" irons plugging a conventional iron into a Variac. The ARRL
handbook included a piece on using a (then new) lamp dimmer to vary the
power to a conventional iron. 

I can say for from experience that the Hakko has a temp sensor and is
variable temperature. It is spec'd at maintaining idle tip temperature
within 1 degree C. 

Ron AC7AC

-----Original Message-----

One point not mentioned earlier is that there's a difference between 
"temperature control," where the tip contains a sensor and soldering 
stations advertised as "variable temperature."  The better stations contain 
a tip temperature sensor.  It's easy to be deceived in purchasing the wrong 
type of station based on unusually low price and the wording used in an ad.

Paul, W9AC


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