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OTT MF pro – Water Flow Meter

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OTT MF pro – Water Flow Meter

    • Discharge automatically calculated: the OTT MF pro computes discharge automatically based on USGS and ISO methods, saving time and eliminating potential for error caused by written transcription 
    • Real-time velocity: velocity is graphed in real-time on the meter’s color display, allowing trends to be visualized quickly
    • Maintenance-free: the electromagnetic sensor head has no moving parts and is virtually maintenance-free
    • Versatile applications: the sensor’s magnetic inductive measurement principle makes the OTT MF pro ideal for use in low-flow conditions and environments heavy in organic matter, unlike mechanical or acoustic meters
    • User-friendly handheld: a lightweight, water-resistant handheld features a full color display that is easily readable even in bright sunlight
      Depth sensor: optionally included in the unit

    Velocity measurement  
    Measurement method Magnetic-inductive
    Measuring range: 0 … 6 m/s
    Accuracy  
    Accuracy at 0 … 3 m/s ±2 % of meas. value ±0.015 m/s
    Accuracy at 0 … 5 m/s ±4 % of meas. value ±0.015 m/s
    Zero stability ±0.015 m/s
    Resolution  
    0.001 at measured value <10
    0.01 at measured value <100
    0.1 at measured value >100
    Depth measurement (option)  
    Absolute pressure sensor with single point calibration
    Measuring range: 0 … 3.05 m
    Accuracy: The larger of ±2% of measured value or ±0.015 m
    Methods for velocity measurement  
    Streams: 1, 2, 3, 5, and 6 point measurement (ISO / USGS standards)
    Conduits (canalization): 0.9 x Vmax; 0.2/0.4/0.8; 2D
    velocity integrating method
    Conduit profiles: Circular, rectangular, trapezoidal, 2/3 egg, inverted 2/3 egg
    Methods for discharge calculation  
    EN ISO 748 Mid and Mean section method
    Power supply Lithium-ion battery
    Lifetime 18 hours typ. (20°C)
    Data memory capacity Up to 10 measuring locations (of 32 vertical profiles each)
    Temperature -20 … +60°C (operation/storage)
    Handheld unit display  
    Graphic colour display, transflective LCD 3.5′, QVGA
    Handheld unit interface: USB Mini B type, 5-pin
    Export format TSV (Tab Separated Value) file format
    Operating modes Real-time velocity measurement, Discharge profile (stream/conduit)
    Noise suppression 50 Hz, 60 Hz (adjustable)
    Cable lengths 2 m, 6 m,12 m, and 30 m
    Material  
    Sensor housing: ABS, glass-fiber reinforced
    Handheld unit: Polycarbonate, moulded,by shock-absorbing elastomer (TPE)
    Dimensions and weight  
    Sensor body:  
    L x W x H: 11.9 cm x 4.3 cm x 6.3 cm
    Weight: 0.5 kg ( with 6 m cable)
    Handheld unit:  
    L x W x H: 21.8 cm x 9.3 cm x 5.3 cm
    Weight: 0.68 kg
    IP class of protection  
    Sensor: IP68
    Handheld unit: IP67 (USB cap attached)

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