Another Test Probe

This one used an SMA plug, so it is a bit more versatile. The SMA plug was from Maplin. The 1.02mm tips from Pomona fitted quite nicely into the center pin of the SMA plug as shown here, and it was soldered in place (a bit difficult to solder the steel, the solder found it hard to stick). Before it was soldered, the tip was shortened by 10mm with a hacksaw.

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After the solder blob has been tidied up (cut or sand off the excess), it was a push-fit into the connector.

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Finally,  a small amount of epoxy resin glue was used to keep it in place.

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