Hand refractometer, for battery, antifreeze

• Measuring range:
• Ethylene Glycol:  -60°C (66,6%) - 0°C (0%)
• Propylene Glycol: -50°C (62,4%) - 0°C (0%)
•  Battery: 1.100 - 1.4000 sg
• Resolution:
• Ethylene Glycol: 5°C
• Propylene Glycol: 5°C
• Battery: 0.01 sg