UNE-EN 62127-3:2007/A1:2013 Ultrasonics - Hydrophones - Part 3: Properties of hydrophones for ultrasonic fields up to 40 MHz (Endorsed by AENOR in September of 2013.)
2013UNE-EN 62127-3:2007/A1:2013 Ultrasonics - Hydrophones - Part 3: Properties of hydrophones for ultrasonic fields up to 40 MHz (Endorsed by AENOR in September of 2013.)
2009UNE-EN 62127-3:2007 Ultrasonics - Hydrophones -- Part 3: Properties of hydrophones for ultrasonic fields up to 40 MHz (Endorsed by AENOR in October of 2009.)