... etc.In addition the program becomes more flexible and functional.BT-2003 is an LPSA with more automation,easier operation in ... system: Windows XP/ Windows 77. Interface: RS232 or USB8. Photodetector: 88 comprises 68 forward, 8 lateral, 12 backward9. Ultrasonic Power: 50W10 ... , oil exploration, geological analysis, river silt and electronic particle, etc. BT-2003 optical Laser equipment