Ethanol Refractometer Portable Distilled Liquor Sample Detector Ethanol Content Measurement Feature: 1. Portable ethanol refractometer, small size, easy to carry, suitable for bartenders, liquor retailers, food production and other industries. 2. It adopts highquality prism, highdefinition eyepiece, nonslip rubber sleeve, durable and corrosion resistance and long service life. 3. The measuring range of this refractometer is 080%, the accuracy is 1%, the range is accurate, and the measurement is convenient. 4. It is specially designed for measuring the ethanol content in wine or distilled wine, with high measurement accuracy and longterm use. 5. It has a wide range of applications and can be used for all kinds of different samples to meet the basic needs of use. Specification: Item Type: Liquor Refractometer Material: Aluminum Alloy Purpose: Reagent Sampling Basic Parameters: Range: 0-80% Accuracy: 1% Product Size: Approx. 20.1cm / 7.9in Package List: 1 x Refractometer 1 x Dropper 1 x Screwdriver 1 x Wipe Cloth 1 x Manual Note: 1. Please allow 01 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 3. Be careful and cautious in use, use strictly in accordance with the instructions, do not arbitrarily loosen the connection parts of the instrument, do not fall, bumps, and strictly forbid vibration. 4. After use, it is strictly forbidden to directly put it in water for cleaning, and wipe it with a clean soft cloth. For the optical surface, it should not be scratched. 5. The instrument should be kept in a dry and noncorrosive place. 6. Avoid the lo of spare parts. How to use: 1.Openthecoverandcarefullywipetheprismwithasoftcloth. 2.Takeafewdropsofthesolutiontobetested,placeitontheprism,andgentlyclosethecovertoavoidairbubblesandspreadthesolutionoverthesurfaceoftheprism. 3.Pointthelightentranceplateoftheinstrumentatthebrightplaceofthelightsource,observethefieldofviewthroughtheeyepiece,andturntheeyepieceadjustmenthandwheel. 4.Maketheblueandwhitedividinglineofthefieldofviewclear,andthescalevalueofthedividinglineistheconcentrationofthesolution.