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Goldscan2

A

Anonymous

Guest
Can the Goldscan2 charger be converted for use in North American??
If so, how?
Any suggestions would be greatly appreciated.
 
Hi RK,
The charger that I made for the Goldscan 2 was in an aluminium case which came apart by the removal of either 2 or 4 self tapping screws. Inside is a transformer which has primary taps for either 110V or 220V. Basically there are two windings which are connected in series with a link for 220V, or wired in parallel for 110V. Some Goldscan 2's were made by Pulse Technology and may have had a different charger or transformer. Do you have a serial number?
Eric.
 
Thanks for the quick response! Yes it does say "Pulse Technology Ltd" on the bottom of the charger, and the serial number is 8911004-3201
 
Hi RK,
Thing to do, is open the charger case and see if the line input side of the transformer has four tags. Usually 0-110, 0-110. Or maybe they are both 0-115, it doesn't matter. Take out the wire link between the inner 0 and 110/5 tags. This is for 220/230V operation. Next wire both the 0's together, then both the 110's together. Connect one side of the line input to 0V and the other side to 110V. Your charger is now OK for US line voltage. If you have any doubts about doing it yourself, a local electrician can do it very quickly.
Eric.
 
Thanks for the response Eric! Actually this one seems a bit different, there is no mention of "110" or "115"...the botton row of tabs (the "out" to the machine) on the transformer reads: "0" "9V" "0" "9V" while the top row (Power in) reads: "1" "2" "3" "4" with the "primaries" being "1" & "4" and "2" & "3" are linked.
 
If 2 and 3 are linked, take this link out. Link 1 to 3, then 2 to 4. Wire the supply to either 1 or 3, and 2 or 4.
The primary consists of two separate windings. For 220V the current passes through one winding, 1 & 2, then through the next, 2 & 3,(series connection). For 110V the two windings are connected across each other (parallel connection). The current then passes through both windings simultaneously.
Eric.
 
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