Robust and break-proof type for checking the radiator antifreeze quality. Usable for antifreeze/water mixture based on ethylene glycol (ethandiol). Display accuracy: 0.5°C. The suction bulb made of elastomer is flexible at all times and guarantees function in all temperature ranges. The hydrostatic block prevents automatic discharge and retightening of air in the display. The display is immediately stable with a non-drip suction tube. Features an all-temperature twin measuring element that is swivable 360º for direct reading. Measuring scale in Celsius with a measuring range from 0 up to -40°C.