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Summary of Contents for Gemlogis LEO
- Page 1 Natural Diamond Segregator For Mounted & Loose Stone...
- Page 2 Gemlogis LEO Tester WARNING : a) Protection impairment if used in a manner not specified by the manufacturer. b) Please only use the charger (8.5V max) delivered with LEO, the battery could be damaged if use other charger.
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Page 3: Operating Tips
Gemstone should be absolutely clean and dust free Gemstone should be absolutely clean and dust free Gemstone should sit perpendicular to the table For best result, each gemstone should be examined mutiple times For mount rings, the back opening must be over 1.5mm in diameter www.gemlogis.com... - Page 4 GROUPS OF DIAMONDS Group Diamond Type Color HPHT Enhanced? Synthetic? IaA, IaAB, Ib Colorless (D-M) IaB, IIa, IIb Colorless (D-M) Potentially Potentially Group A – Earth Mined Group B – HPHT/CVD Suggest to send for further lab testing. www.gemlogis.com...
- Page 5 • For Loose Gemstone: Both colorless and colored gemstone can be tested • The Gemlogis Leo Tester operates with SWUV radiation which is hazardous if exposed to human eyes and skin. Do not attempt to dismantle the unit at all times.
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Page 6: Test Requirements
• OPERATING PROCEDURE 1) To power on the device, press and hold the POWER/TEST button (I) for 2-3 seconds until the ‘Gemlogis’ appears on the LCD panel (H). Note: Lid Cover (A) must be fully closed and no gemstone must be placed on the Test Platform 2) MODE SELECTION - Press &... - Page 7 6) For loose gemstone and single mounted ring with setting as iIlustration A (Pg 4), Place a colorless gemstone (D-M color) with the table facing down and align to the center of the Test Platform. (As Illustration B) Illustration B Gemlogis LEO Tester...
- Page 8 (Note: For mounted gemstone, the ring must have a back opening. As shown above. 8) Close the Lid Cover (A). 9) When the LCD is displaying ‘Ready’ at the selected test mode, press the POWER/TEST button (I) to perform the test. The LCD Display Panel (J) will indicate the test result. www.gemlogis.com...
- Page 9 Press and hold the POWER/TEST button (I) for 2-3 seconds until the LCD displays ‘OFF’ to turn off the device. The Gemlogis Leo tester is capable of performing a self-diagnostic test. If the LCD displays ‘Error’ after power is switch on, it shows that internally there faulty electronic components in the device.
- Page 10 (The gemstone is a natural diamond and has not been color enhanced by HPHT treatment.) e) LCD Display Panel = “ HPHTCVD ” (The gemstone is a diamond and may be synthetic or color enhanced by HPHT treatment. Recommend to send the gemstone to a gem laboratory for further examination.) www.gemlogis.com...
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