Instructions for use of Abbe Refractometer:

1. The instrument should be placed in a dry, well-ventilated and temperature-appropriate place to prevent the optical parts of the instrument from being damp and moldy.

2. The instrument should avoid strong vibration or impact to prevent the optical parts from shattering and loosening and affecting the accuracy.

3. Before and after using the instrument and when changing samples, the working surface of the refracting prism system must be cleaned first.

4. The test sample is not allowed to have solid impurities. When testing the solid sample, the working surface of the refracting prism should be prevented from being roughened or indented. The instrument is strictly forbidden to test the highly corrosive sample.

5. The condenser lens of the instrument is made of plastic. In order to prevent the corrosive samples from damaging its surface, the condenser lens is covered with a transparent plastic cover during use.

6. If the bulb in the spotlighting system is damaged, you can remove the condenser tube along the axis, replace it with a new bulb, and adjust the left and right position of the bulb (loose the set screw on the side) to focus the light on the light entering the refracting prism On the surface, there is no obvious deflection.

7. Users are not allowed to disassemble and assemble the instrument at will. If the instrument fails or fails to meet the accuracy requirements, it should be repaired in time.

8. When the instrument is not in use, cover the instrument with a plastic cover or place the instrument in the box.

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Paring & Peeling Knife

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