Portable Concentration Test Refractometer 080% Wine Spirits Tester Meter Instrument

1、A professional mesure instrument to test concentration of wine 

2、Sturdy, compact, lightweight, ensure an accurate testing results. With the built-in ATC ranges from 10℃ to 30℃ 

3、Measurement scale is equipped for direct reading. Soft rubber eye piece provide you comfortable viewing. Use ambient light only, which indicates no battery or power source is needed 

4、Adjustable manual focusing, convenient to operate and calibrate 

5、Widely used in scientific research, food production, wine retailer etc