Black Portable Diamond Gem Tester Selector 16*4*2.2CM

Black Portable Diamond Gem Tester Selector 16*4*2.2CM,

[HOW TO USE]

Step 1: Power On

• Insert batteries into the device.
• Press the power button to turn on the device.

Step 2: Calibration

• Place the included calibration disk on the testing platform.
• Press the calibration button and wait for the device to calibrate.

Step 3: Diamond Testing

• Hold the device firmly in one hand.
• Place the stone to be tested on the testing platform.
• Press the testing button to initiate the test.
• Observe the LED light and listen for the audio result indication.

Additional Features

• Metal Alert: If the device detects metal, it will sound an alert.
• Testing Platform for Loose Stones: Use the platform to test loose stones.

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