Diamond Tester,High Accuracy Jewelry Diamond Tester Professional Diamond Tester Pen Jeweler Tool for Novice and Expert - Diamond Selector II 9V Battery Included(Black Diamond Testers)

[Fast and safe ]:Professional Diamond Selector II will indicate genuine diamond or fake.It is designed for quick, precise, and safe diamond testing.LCD display & LED indicator.Uses large / small switches for testing diamonds,Emits audible sounds to easily differentiate the readings. [Bare Hands Operation]:All the tests must be done by your bare hands. If you put on your gloves, the metal alert will not function since a normal moisture levelof your hands is necessary for operation.All test must be done by TWO hands, one for hold the diamond and one for the diamond tester. As for the hand which hold diamond tester, you have to touch the electricity conductive panel on the back of the unit.If you test the diamond just by one hand, you will get a wrong result. [Beeping Upon Startup]:Ensure correct installation and adequate power in the test pen battery. Also, clean the test pen probe as maintaining its cleanliness can enhance testing efficacy.A beeping sound upon powering on signifies the need for initialization settings. Consult the table on the rear of the machine for the specific initialization settings considering the diamond's temperature and size. Adjust the initial number of illuminated lights by rotating the knob (the default setting is to have 4 lights illuminated at room temperature). [High-Frequency Sound when Testing Metal]:The high-frequency sound during metal testing is due to the test pen's operational principle, which relies on thermal conductivity to distinguish between diamonds and fake gemstones. Since metal possesses thermal conductivity similar to diamonds, it generates a high-frequency sound during testing. [Simple to Use]:Hqdz Diamond Tester Pen is simple to operate to get results, professional(s) are not required. Simply turn on our Diamond Tester Pen detector; place the tip of the Diamond Tester on the gem stone (lightly pressed is sufficient) and If the stone is fake, crystal or cubic zirconia, the tester will not beep. [ Note]: The battery temperature is lower than 10 degrees Celsius, which seriously affects the use time Don't wear gloves，Don't detect metal Best to measure in no wind conditions，The operating temperature is within the range of 10-35 degrees Celsius, and the humidity is below 80% When testing diamond, your right index finger must keep touching the metal panel on the back of the tester. Please turn off the power after the test to save power. [Package include]:Diamond tester is battery powered for convenience.Requires 1 standard 9v battery, which is included.Package include:1 x Diamond Tester,1 x Leather Pouch Case,1 x Testing Platform,1 x User Manual,1 x DC 9V battery. [Upgraded] High Accuracy Diamond Tester Professional Jeweler for Novice and Expert - Diamond Selector II 9V Battery Included

Diamond Selector II" is a portable electronic device for distinguishing real diamonds from other simulated stones.
It is designed for quick, precise, and safe diamond testing.

Features:
Pocket with a handheld.
Operation simple and accurate.
Emit audible sounds to give accurate reading.
Diamond indicator will be showed if the stone is a REAL diamond (Green light).
Metal alert (continuous buzzing sound when user accidentally touches metal rather than stone).
Large / small switch for testing diamonds +/ - 8 points.
To emit sounds to give accurate reading.
LCD display & LED indicator.
If stone is Fake crystal, a simulant such as cubic zirconium (CZ), will be no reaction.
Dimension: 16 x 4 x 2 cm
Color: Black
Powered by DC 9V battery x 1 (Included)

Package include:
1 x Diamond Tester
1 x Leather Pouch Case
1 x Testing Platform
1 x User Manual
1 x DC 9V battery