Current Meters
High-accuracy acoustic current meters with vector-averaged current speed and direction
• Cost effective 2D point velocity meters for deep (2ACM-7000) or shallow (2ACM-200) water
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Download Product Manual
• 3D meters for precise three-axis velocity measurements with internal compass and tilt correction for deep (3ACM-7000) or shallow (3ACM-200) water
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• 3D Wave Height & Direction Meter with built-in ACM; burst sampling and long-term averaging (3D-Wave)
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Download Product Manual
• Moored Profiler 3D acoustic current meter (3ACM-SBP-MM)
- Separate velocity head is less sensitive to
currents caused by profiler equipment
Download Product Brochure
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| ACM shown with optional sensors and 5-ton frame |
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| Technology & Benefits
Acoustic Phase-Shift Transit-Time Technology
• Eight transducers define four acoustic
transit-time paths
• Accurate even near surface and seabed
• Accurate low- and high-velocity measurement
• Measures very clear as well as turbid water
(no reflectors required)
• Economical 2-dimensional point velocity
(X,Y
converted to N,E using compass/tilt sensors)
• Internal recording and real-time output
• Optional CTD for salinity/sound velocity
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Product Features
• Compact, lightweight, low-maintenance construction
• Simple to operate
• 2- or 3-axis true cosine response velocity measurement
• Accurate velocity measurement with excellent low-velocity resolution
• Built-in compass with 2-axis tilt sensor
• Temperature measurement capability
• Extremely long battery life with low-maintenance alkaline batteries
• Real-time output/display capability
• Averaged and/or burst data output
• Long-term data logging to internal flash memory
• ASCII serial data output via RS-232 or RS-485
• Built-in real-time clock with on/off power control
• 1.5-ton working strength mooring frame (optional 5-ton mooring frame)
• Optional conductivity, temperature, pressure sensor package may be added
• Optional Analog DC channel inputs for external sensors (e.g. turbidity, oxygen)
• Choice of epoxy shallow-water or titanium deep-water housings
Application Briefs:
Buoy-Mounted Current Meter (Download)
ACM Total Shipboard Solution (Download)
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| Moored Profiler 3D-ACM |
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| ACM shown with standard 1.5-ton frame |
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| ACMPro Software Real-Time Display (click image to visit our Software page) |
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