Duo gem tester (Presidium PDT-II) Digital scales - regular lines - resolution 0.1g Please note

Please note

For the professional jeweller: from 3 points is safe

They steralise their equipment

we change the price of these samples each week

Duo gem tester (Presidium PDT-II) Digital scales - regular lines - resolution 0.1g Please noteSummary Bench model. A dual tester with both thermal meter and reflectivity meter. Place the probe on the stone to operate analogue meter (the thermal meter, see detail in the extra pictures). Place the stone over the sensor (even if it's in jewellery) to operate the digital meter (the reflectivity meter). You don't have to use both systems, you can choose one or the other. Includes heavy duty nylon carrying case and a PPR3 battery. Also power supply