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OTT ADC – Acoustic Digital Current Meter

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OTT ADC – Acoustic Digital Current Meter

    • Innovative Technology– Accurate velocity measurements using the latest acoustic technology and automatic discharge calculation based on international standards (USGS and ISO 748)
    • High Performance– 6 MHz acoustic transducers and large sample volume reduce potential signal-to-noise issues
    • Time Saver– Built-in depth sensor and measurement guidance minimizes time in the field and reduces sources of measurement error
    • Simple Setup– Logical menu structure and large buttons help facilitate quick and easy setup
    • Easy-to-Use– Review instantaneous velocity and measurement quality data during the measurement with the rod-mounted graphical display
    • Versatile– Supports USGS, ISO, ICE, KREPS, and multi-point velocity methods and Mid and Mean section discharge methods
    • Flexible– Attaches to common wading rods like the USGS Top Setting wading rod

    Water Velocity Measurement  
    Range -0.2 m/s … + 2.5 m/s
    Accuracy ±1% of measured value ±0.25 cm/s
    Sampling volume  
    Distance from probe 10 cm
    Diameter 1 cm per beam
    Length 5 cm
    Ultrasonic Transducer  
    Acoustic frequency 6 MHz
    Absolute Pressure Cell Piezoresistive
    Range 0 … 5 m
    Resolution 0.01 % FS
    Accuracy 0.1 % FS
    Max. Overload 1.5 of full range
    Temperature Thermistor embedded in probe
    Range -5 … +35°C
    Resolution 0.1°C
    Accuracy ±0.5°C
    Electrical data  
    Data Recording  
    Capacity 4 MB
    Power supply 9.6 VDC – rechargeable batteries
    Operating time typical 14 hours
    Environmental conditions  
    Operating temperature range -20 … +60°C
    Storage temperature range -40 … +85 °C
    Shock and vibration Compliant with EN 60068-2-32
    Dimensions  
    Cylinder Ø 40 mm x 14.5 cm
    Weight  
    In air 800 g
    In water 620 g
    Materials  
    Probe Delrin®housing stainless steel

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