HT Tech Limited (Hongkong)

China Manufacturer with main products: Refractometer, Brix Refractometer, Refractometer, Refractometers, Battery Refractometer, Alcohol Refractometer, Wine Refractometer, Honey...

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REF601 Gemological refractmeter

Payment Terms: T/T, Western Union

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe


REF601 Gemological refractmeter

This model is Gemological refractmeter it can be used for measuring Refractive index of GEM

Scale range: 1.30-1.81 RI

Minimum scale: 0.01


Size(mm):130 x 70 x 33

Weight(g): 350


Step 1:

Flip open the daylight plate on top of the efractometer, Place 2~3 drops of the specimen on the main prism, Close the daylight plate so the sample spreads across the entire surface of the prism without air bubbles or dry spots.

Step 2:

Hold the refractometer(daylight plate) in the direction of a light source and look into the eyepiece. You will see a circular field with graduations down the center (you may have to focus the eyepiece to clearly see the graduations). The upper portion of the field should be blue, while the lower portion should be white.

Take the reading where the boundary line of the blue and white intersect at the graduated scale. The scale will provide a direct reading of refractive index. Clean the prism carefully using a damp soft cloth. DO NOT immerse refractometer in water, Please read the Operation Manual carefully before using the refractometer.

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