• High-quality refractometer offers a fast, easy way to test the freezing point of coolant/anti-freeze
• Works with Ethylene or Propylene Glycol anti-freeze
• Not for use with OAT coolants
• Also measures battery acid gravity to determine battery life
• Automatic temperature compensation
• Large, easy-to-read graphics and high-contrast lens
• Adjustable viewfinder; rugged, steel body construction
• Includes storage case, fluid dropper, cleaning cloth and mini screwdriver

Range

• Ethylene Glycol: -84˚F to 32˚F
• Propylene Glycol: -60˚F to 32˚F
• Battery: 1.100-1.400 Specific Gravity
• Minimum Division
• Ethylene Glycol: 5˚F
• Propylene Glycol: 5˚F
• Battery: 0.01 Specific Gravity

Accuracy

• Ethylene Glycol: ±5˚F
• Propylene Glycol: ±5˚F
• Battery: ±0.01 Specific Gravity