Digital Gem refractometer Refractive Index Meter II

This digital refractometer is a supplement to the conventional refractometer. Mainly measures gemstones with a refractive index greater than 1.79 (such as diamond, CZ, Moissanite, etc.).

〉Calibration: no need to calibrate;
〉Suggested detection temperature: 18℃-27℃;
〉Display result: three digits after the decimal point
〉Note: The instrument has been strictly calibrated before leaving the factory, and users are strictly prohibited from self-calibration

Description

Presidium Gem Refractive Index Meter II digital Gem refractometer

Model:Refractive Index Meter II

This digital refractometer is a supplement to the conventional refractometer. It mainly measures gemstones with a refractive index greater than 1.79 (such as diamond, CZ, Moissanite, etc.).

The gemstones with a refractive index less than 1.79 have a large test error and are not suitable for this instrument

 

Specifications

Power supply: 9V alkaline battery or USB power supply

Calibration: no need to calibrate

Suggested detection temperature: 18℃-27℃

Display result: three digits after the decimal point

Size: about 135*80*45mm     

Note:

The instrument has been strictly calibrated before leaving the factory, and users are strictly prohibited from self-calibration

Gemstones should be clean and dry before testing

It is strictly forbidden to test when the “low battery” indicator light is on

Before testing, the temperature of the gemstone should be adjusted to the testing temperature range

Remove the battery promptly after use

 

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