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General| Brand | PRESIDIUM |
|---|---|
| Model | Duo Tester |
| Category | Test Equipment |
| Language | English |
Covers warnings about moisture, dust, temperature, handling, and cleaning to prevent damage and ensure proper operation.
Explains how to power the device using an AC adapter or AA batteries, including battery orientation and type.
Details the procedure for turning on the tester, including probe pen insertion and waiting for the indicator light.
Describes how to test the tester's functionality using the simulant test disc to ensure proper operation and calibration.
Outlines the process of testing with the diamond test disc, ensuring the needle reaches the green band for accurate results.
Explains that the tester is factory calibrated and advises contacting service for re-calibration, covering associated costs.
Details recommended temperature, humidity, and cleaning for gemstones, plus battery maintenance for optimal performance.
Provides instructions on cleaning gemstones using tissue and handling them carefully before placing them on the test pad.
Guides users on testing mounted jewelry and loose stones, emphasizing proper probe contact and handling for accuracy.
Details how to conduct an optical test using the cylinder and display button, including initial zeroing and gemstone placement.
Offers advice on probe tip cleaning, optimal probe placement, testing location, gemstone cooling, and taking multiple readings for precision.
Explains how the tester's indicator shows results, lists potential gemstone matches for meter positions, and notes buzzer function.
Covers how to read reflectivity numbers, handle borderline results, and differentiate specific synthetic stones based on needle positions.
Emphasizes careful handling of the sensitive probe tip and proper battery management to prevent corrosion and damage to the tester.
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