Name: Portable Gem Refractometer
Accuracy: ±0.002
Eyepiece diameter: 16MM
Measurable range: the refractive index is within 1.30-1.81
Prism: High refractive index lead glass as test prism
Function: Identify gemstones by refractive index
Material: metal material, optical glass
Battery type: Button battery (not included,
please prepare it by yourself)
Weight: 317.5g
Size: 113mm*32mm*61mm (L*W*H)
Package Included:
Portable Gem Refractometer*1
English Manual*1
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
CONTACT US
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Curabitur vel sem mi. Proin in lobortis ipsum. Aliquam rutrum tempor ex ac rutrum. Maecenas nunc nulla, placerat at eleifend in, viverra etos sem. Nam sagittis lacus metus, dignissim blandit magna euismod eget. Suspendisse a nisl lacus. Phasellus eget augue tincidunt, sollicitudin lectus sed, convallis desto. Pellentesque vitae dui lacinia, venenatis erat sit amet, fringilla felis. Nullam maximus nisi nec mi facilisis.
How to choose the correct size:
Step 1 Please measure your foot length carefully.
Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
