This Optical Refractometer is specially design to obtain refractive index meter of gemstone. It is user friendly, simple and portable.
it can test up to 131 type of gem stone.
- Place of Origin:Fujian, China (Mainland), Fuzhou, China (Mainland)
- Model Number:SDG-181
- Size:32*61*128mm, 32*61*128mm
- Measurement Accuracy:0.01
- Min. Div.:0.01
- Brix Min. Div.:0.01
- Measurement Range:1.30~1.81, 1.30~1.81RI
- Gross Weight:700g
- package:Black Leather Box
- Min. Div:0.01