| 摘要 |
PURPOSE: A replacement display device of a coolant for a vehicle is provided to sense the degraded state of the coolant and to display the replacement time of the coolant. CONSTITUTION: A replacement display device of a coolant for a vehicle comprises a coolant degradation-sensing part(10) in which an inner resistance value is changed according to the concentration of the coolant; a comparison part(20) determining whether the coolant is degraded over a reference value; a drive part(30) operating according to a voltage level output from the comparison part; and a display part(40) displaying replacement of the coolant by lighting a lamp according to the operation of the drive part.
|
