Portable Gemstone Refractometer 1.30 to 1.81 High Precision Rapid Identification Gemstone Refractometer Kit for Jewelry

General Description

The portable refractometer is a high-precision tool designed for the rapid identification of gemstones. It allows you to measure the refractive index of gemstones, thus facilitating the distinction between different types of stones, including diamonds and moissanite.

Compact and easy to use, this device is ideal for jewelers and gemology enthusiasts.

Technical Specifications

Item Type: Portable Refractometer for Gemstones

Materials: Glass, ABS

Product Size: 128 x 60 x 32 mm / 5.0 x 2.4 x 1.3 inches

Measuring Range: 1.30 to 1.81 Minimum Division Value: 0.01 Liquid: Refractive Oil (included)

Flashlight Battery: 1 x 1.5V AA Battery (battery not included)

Weight: 590 g / 20.8 ounces

Usage

Wipe the gemstones to be tested and the refractometer table, then apply 1 to 2 drops of refractive oil evenly to the prism surfaces. Place the gemstones on the platform, ensuring they completely cover the prism surfaces and that the refractive oil is in full contact with the stones.

Press the tail of the flashlight to turn on the light source.

Other Information

Package List: 1 x Portable Gemstone Refractometer, 1 x Flashlight, 1 x Refractive Oil, 1 x Box, 1 x User Manual