Presidium electronic gemstone gauge (PEGG)

Measures gemstones and instantly estimates weight/carat for round brilliant-cuts.
It has a digital display for easy-to-read results, precise to 0.01 mm

Specifications:

• Measuring range: 0 to 25 mm
• Accuracy: 0.01 mm / Tolerance: 0.02mm (100 ct / 20 g)
• Instant digital millimetre/carat readout
• Zero setting button for use at any measurement point
• Smooth slider mechanism
• Portable and lightweight
• Auto-magnetic switch-off when placed in carry case
• Runs on 1 CR2032 battery included: 16 hours autonomy
• Supplied with attachment for set jewellery, weight estimation table for espacement, guarantee card, protective carry case
• Weight: 110 g