Antifreeze refractometers test the concentration of battery fluids, antifreeze liquid and cleaning fluids. The indicated percentage show which temp the fluid will be frozen for both propylene glycol and ethylene glycol. It can also be used for checking strength of electrolyte battery solutions. It uses °C unit system. With indication of percentage you will know the freezing point of either ethylene or propylene glycol based cooling systems. Also used to test concentration of ethylene or propylene glycol in antifreeze liquids. Ideal for field use - it has ATC (Auto Temp Compensation) for precise measurement without having to re-calibrate after changes in ambient working temp. Features * Test concentration of battery fluids, antifreeze liquid and cleaning fluids * Needs ambient light only during test * Adjustable manual focusing * Comfortable soft rubber eye piece and non-slip grip * Uses calibration screw for easy calibration * Accurate testing results guaranteed * Extremely focus and easy-to-use * Clear chart and easy reading of results * Made w/ highest and finest quality of aluminum & rubber making it lightweight, durable and last long Specifications Measuring Range: Ethylene Glycol: -50 - 0°C Propylene Glycol: -50 - 0°C Cleaning Fluids: -40 - 0°C Battery Fluids: 1.10 - 1.40sg Resolution Factor: Ethylene Glycol: 5°C Propylene Glycol: 5°C Cleaning Fluids: 5°C Battery Fluids: 0.01sg ATC: 10-30°C (50-86°F) Set Includes 1 x Antifreeze Traditional Refractometer 1 x English instruction manual 1 x Pipette 1 x Mini Screw driver Nylon carrying pouch
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