Gem Refractometer

    Gem Refractometer

    This item is currently out of stock.


    • Scale Range: 1.35–1.81
      Accuracy: 0.002
    • Stainless Steel Table / Durable CZ Testing Prism
    • Two ways for power supply: 2 AAA batteries or 3V DC
    • Built-in Monochromatic LED Light
    • Large visual field making it easy to read

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