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GemOro PRO-D 3 User Manual

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DIAMOND &
WHITE SAPPHIRE
TESTER
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GemOro PRO-D 3 Specifications

General IconGeneral
TypeDiamond Tester
Power SourceBattery
Detection Time2 seconds
Weight0.25 lb
Probe TypeMetal
IndicatorLED
TechnologyThermal and electrical conductivity

Summary

Operating Procedure

Thermal Conductivity Testing

Explains the method used by the tester to differentiate diamonds from simulants.

Conditions for Ideal Operation

Environmental Conditions

Specifies optimal temperature and humidity for accurate testing.

Stone Preparation Requirements

Emphasizes the need for dry and clean stones for accurate results.

Probe Tip Maintenance

Details the procedure for cleaning the probe tip to ensure accurate testing.

PRO-D 3 Features

Identification Capabilities

Identifies diamonds and white sapphires using color-coded lights and beeps.

LED Indicator System

Color-coded LEDs (Green, Pink, Red) indicate test results visually.

Specifications

Working Voltage and Power

Details working voltage, battery types, and AC adapter specifications.

Performance Metrics

Lists probe tip warm-up time and battery working time.

Operating Environment

Specifies working temperature and air relative humidity limits.

Operation

Battery Installation

Guides on installing NiMH rechargeable or alkaline batteries, including activating NiMH.

Testing Mounted Stones

Step-by-step guide on testing stones set in jewelry, ensuring no contact with metal.

Testing Loose Stones

Procedure for testing loose stones using the testing plate for accurate results.

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