The AUTO ANTIFREEZE TESTER can determine the freezing point of the coolant. The container is made of plastic and features a rubber suction cup. The fluid can be tested both cold and hot. The measurement scale ranges from -12 to -34 degrees Celsius (+10°F to -45°F). Measurements can only be made for glycol-based antifreeze solutions.

• First, fill the tester with coolant up to the level marked FLUID LEVEL.
• Set it in an upright position according to the indicator.
• Read the value measured by the horizontal indicator.
• Wash the tester with warm water.

• Material: Plastic, rubber
• Measurement scale: -12°C to -34°C
• Measurement scale in Fahrenheit: +10°F to -45°F
• Weight: 167 g