The instrument can quickly detect the concentration of vehicle urea solution and quickly identify tools for the convenience of products The use of catalytic reduction of urea solution is an effective means to control the exhaust emissions of vehicles The instrument can effectively detect the concentration, and the urea content directly affects the catalytic efficiency of and the freezing point of the urea solution Applications: Automobile, industrial, repairing Features: Accurate, Small size, Light weight, Beautiful appearance, Easy to operate, Auto parts