Presidium Gem Computer Gauge PGCG Digital Gem Identifier & Carat Estimator

Accuracy / Tolerance: 0.01 mm / 0.02 mm

Brand: Presidium

Case: Protective Case with Auto Magnetic Power On/Off

Connectivity: USB for PC Data Transfer & Software

Country of Manufacture: Singapore

Database: Internal + Software DB of 133 Gemstones (S.G., R.I., Hardness)

Dimensions: 97 x 61 x 16 mm

High-concerned chemical: None

Item Type: Jewelry measuring tools

Material: Plastic

Measuring Range: 0.0 - 25.0 mm

Model: PGCG

Model Number: MCEB0031-CG

Origin: Sg(origin)

Power: 1 x CR2450 Battery (Included, ~26 hrs continuous)

Product Features: Triple-Function Professional Tool

Weight: 120 g (without battery)

Presidium Gem Computer Gauge (PGCG)

The World’s Most Advanced Handheld Gem Tool. Integrates Precise Measurement, Carat Weight Estimation for 9 Cuts, and Gemstone Identification via Specific Gravity Calculation. Triple-Function Professional Tool: 1) Measures dimensions to 0.01mm. 2) Estimates carat weight for 74 gem varieties across 9 popular cuts. 3) Identifies stones by calculating Specific Gravity (S.G.) from entered weight and dimensions. Direct Carat Estimation for Mounted Stones: Features a high-setting attachment to estimate the weight of stones in jewelry without unmounting, covering rounds, ovals, emeralds, marquise, pears, and more. PC Connectivity & Database: USB interface allows data transfer to Windows PC for record-keeping and reporting. Includes software with a database of 133 gemstones (S.G., R.I., Hardness). Complete Advanced Kit: Comes with gauge, high-setting attachment, USB cable, software CD, protective auto power-off case, and CR2450 battery – a full gemological workstation in a compact package.