Danatronics offers our new ultrasonic precision thickness gauge series ECHO 8. The ECHO 8 represents our most advanced thickness gauge ever, integrating both dual and single crystal sensors in the most compact package. ECHO 8 offers 3.5 "high-resolution sun-readable color display with real-time A-Scan, using A variety of dual, contact, delay line and immersion sensors, default to 1-20 Mhz and custom created and stored application Settings, B-Scan, data logger, Features up to 32GB SD card memory and Microsoft excel interface. ECHO 7 is available in four models, including ECHO 8, ECHO 8DL, ECHO 8W, and ECHO 8DLW. Alarm clock vibration function is innovative, very suitable for noisy environment.