"FlowQuest 150 Long-range Acoustic Current Profiler"@en . . "SDN:L22::TOOL0681" . "FlowQuest 150 Long-range Acoustic Current Profiler with an operating frequency of 150 kHz. Standard depth of 800 meters with a temperature range of -5 degC to 45 degC. Velocity accuracy of +/- 1 percent +/- 5mm/s and a maximum measuring range of 500 meters."@en . .