Features & Benefits
- Accurate measurement range from 1.300 to 3.000 with precision of 0.001.
- Ideal for testing various gemstones including diamonds and jade.
- Uses durable, scratch-resistant materials for long-lasting performance.
- Requires no refractive oil for operation, making it user-friendly.
- Equipped with a large LCD backlight for easy reading.
- Includes built-in safety features to prevent leakage.