portable antifreeze refractometer

Color: Silver + Black - Material: stainless steel + rubber - Measurement Range: Ethylene Glycol & Propylene Glycol -50 ~ 0'C ±5'C - Electrolyte: 1.000~1.40sg ±0.01sg / accuracy: 0.01sg - Cleaning fluid: -40 ~ 0'C ±5'C - Refractive: 8:1 plato degree : 380 - Automatic temperature compensation - Accessories: - 1 x Straw - 1 x Cleaning water bottle - 1 x Screwdriver - 1 x Cleaning cloth

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