Sauter tn ee ultrasonic thickness gauges sauter tn 60 001ee the sauter tn 60 001ee is a multi mode ultrasonic thickness gauge employing the same operating principle as sonar the instrument is capable of measuring the thickness of various materials with an accuracy as high as 01 001mmthe multi mode feature of this gauge allows the user to toggle between pulse echo mode and echo echo mode eliminating paint or coating thickness sauter tn 60 001ee ultrasonic thickness gauge 3 60mm 0