! Gem Refractometer GI-191-1
Product Details
- Brand: Grand Index
- Model: GI-191-1
- Dimensions: 2.95" h x 1.38" w x 5.12" l, .93 pounds
Features
- Range: 1.30-1.81RI
- Minimum Division: 0.01 RI
- Accuracy: ±0.02 RI
- Dimension:130mm*75mm*35mm
- Accessories:polarizing filter & monochromatic light filter
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