Presidium standard+duo probe, new (after oct 2020) models Digital scales - regular lines - resolution 0.1g 6mm diameter (approx

6mm diameter (approx

they are supplied in a little polythene bag

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See photos of what you will see with UV lights

- replaceable probe (i

Presidium standard+duo probe, new (after oct 2020) models Digital scales - regular lines - resolution 0.1g 6mm diameter (approxDetails There are two types of probe depending on whether you bought your tester before or after October 2020, please check carefully that you are buying the right one. This probe has the new style connector. It fits the following Presidium electronic gem testers: our ref. Gemtest P2 Presidium's ref. PGTII and also the NEWER versions (this one) of: our ref. gemtest duo Presidium's ref. PDT S7 Not sure which you have? See our information sheet.