• Ultrasound Fluid Testing Helps Detect DEF Quality

    Ultrasound Fluid Testing Helps Detect DEF Quality Ultrasound waves are used in Diesel Exhaust Fluid (DEF) Quality Sensors, also known as Fluid Property Sensors, to detect the condition of DEF in a truck’s tank. Here’s how it works: As with all fluids, DEF has a specific density. When the ultrasound waves generated by the Quality Sensor […]