Danatronics offers our new ultrasonic thickness gauge series ECHO 9. The ECHO 9 represents the thickness gauge we've ever developed. The ECHO 9 offers A 3.5-inch high-resolution sun-readable color display with live A-scan, Echo to Echo Ignore coating, B-scan, data logger, up to 32GB of SD card memory, and Microsoft excel interface. The ECHO 9 comes in four models, including the ECHO 9, ECHO 9DL, ECHO 9W and ECHO 9DLW. Alarm vibration function is created, very suitable for noisy environment.