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Description
Refractometers are a primary tool in gem identification, used to measure the refractive index of gemstones with precision. This refractometer features an easy-viewing lens, a measuring range of 1.30–1.81, and a minimum graduation value of 0.01. The set includes a compact storage case and a small flashlight to serve as a light source, ready-to-use kit for gemological work. Refraction liquid is not included. Made in China.
Features
- Measures refractive index across a 1.30–1.81 range
- Minimum graduation value of 0.01 for precise readings
- Easy-viewing lens design for comfortable use
- Includes small flashlight for use as a light source
- Comes with a compact storage case
- Refraction liquid is not included
Specifications
| Measuring Range | 1.30–1.81 |
|---|---|
| Minimum Graduation Value | 0.01 |
| Refractometer Dimensions | 1-1/8" wide × 2-3/4" tall × 5-1/8" length |
| Case Dimensions | 8" × 4-1/2" × 2-3/4" |
| Origin | China |
What's Included
- Refractometer
- Small flashlight (light source)
- Storage case
Notes
Refraction liquid is not included and must be purchased separately.
Specifications
- Brand
- Otto Frei
- Part #
- 161.141
- Type
- Gemological Instruments
- Dimensions
- 9 in x 5 in x 3 in
- Measuring Range
- 1.30–1.81
- Minimum Graduation Value
- 0.01
- Refractometer Dimensions
- 1-1/8" wide × 2-3/4" tall × 5-1/8" length
- Case Dimensions
- 8" × 4-1/2" × 2-3/4"
California Prop 65 Warning:Cancer and Reproductive Harm. www.P65warnings.ca.gov.
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