2025-08-25 00:00:00 The OPTISONIC 6300 P App is the display/ HMI for the Portable Ultrasonic flowmeter, the OPTISONIC 6300 P. The app can be used for: - connecting to an OPTISONIC 6300 P the field device with USB cable or Bluetooth connection - Read-out (display) of the multiple measurements - Transferring log files of the measurement data