قلم اختبار احجار كريمة الكتروني محمول من اوكاي للالماس والياقوت والياقوت الازرق والكريستال والعقيق واليشم، لاختبار صلابة الاحجار الكريمة واختيارها،II V2

Aookay Portable Electronic DiamondTester Pen for Diamond, Sapphire, Ruby, Crystal, Agate, Jade, gems MultiGemstone Precious Stones Hardness Test Tool, Diamond Selector II V2

• If the number of lights equal or exceed 9, and it beeps, it means the diamondis true.

• If the number of lights is 9 and it beeps, it means thesapphire is true.

• If the number of lights is 6.5-7, it means the agate is true.

• If the number of lights 7-8 , it means the crystal is true.

• If the number of lights is 6-7, it means the jade is true.

★ Before Test:

• 1. Put the battery into the tester.

• 2. Take off the probe cap.

• 3. Turn on the switch.

• 4. Make sure just 1 light light up on the scale.

• 5. Make sure the ready lamp light on.

• 6. (If you test diamond, you then need to turn on the numberof lights corresponding to the indoor temperature and diamond weight. )

• 7. (If you test other gems, you'd better calibrate the probebefore testing, Method: by placing the probe vertically on a piece of glass,then adjusting the light to 5, and then placing the probe on the gemstone totest.)

• 8. Test is ready.

★ NOTICE:

• * No matter what gemstone you are testing, the probe needleand the tested object must be at a 90° angle.

• * When testing diamond, your right index finger must keeptouching the metal panel on the back of the tester, while you do not touch thepanel if you test other gemstones.

• * Do Not test any metal.

• * Do Not wear glove.

Power needed: 1x 9V battery (not included).

Package contains: 1x diamond tester + 1x English introduction+ 1x black storage case