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OTT Pluvio² – Weighing Rain Gauge

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OTT Pluvio² – Weighing Rain Gauge

    • Accurate measurement: precipitation accuracy within 0.004 inches with accumulation and intensity readings and filter algorithms to compensate for wind, temperature, and evaporation
    • Virtually maintenance-free operation: lifetime factory calibration, drift-free measurements, and robust protective housing eliminate field visits for instrument service
    • Multiple communication interfaces: SDI-12, RS-485, and Pulse Output options
    • Solar panel power options make the instrument ideal for remote locations
    • Easy software setup and a USB interface for communication with computer
    • Wind protection shield available for particularly exposed locations
    • Heated ring option available to prevent the accumulation of snow on the sensor
    • Easy installation onto 4″ pipes
    • Precipitation Measurement:  Continuous, real-time measurement of rain, snow, hail, and sleet in all monitoring environments, even remote environments without power supply
    • Monitoring Road Conditions: precipitation amount and composition are combined with general visibility measurements to provide an accurate picture of road conditions
    • Early Flood Warning: when combined with water level sensors, the Pluvio2  is the central component in an early flood warning system

    Types of precipitation liquid, solid, and mixed
    Collecting area 200 cm² and 400 cm²
    Collection volume 1500 mm/m² and 750 mm/m²
    Measuring range 200 cm²  
    Intensity RT / measuring interval 1 minute 12.00 … 1800.00 mm/h, 0.20 … 30 mm/min
    Amount RT/NRT, amount NRT, amount total NRT 0.10 … 500.00 mm
    Bucket content, RT and NRT 20.00 … 1600.00 mm
    Measuring range 400 cm²  
    Intensity RT / measuring interval 1 minute 6.00 …1800.00 mm/h, 0.10 … 30 mm/min
    Amount RT/NRT, amount NRT, amount total NRT 0.10 … 500.00 mm
    Bucket content, RT and NRT 20.00 … 850.00 mm
    Accuracy (at – 25 …+45 °C)  
    Amount, absolute (60 minutes collection time) ± 0.05 mm
    Intensity ± 0.1 mm/min or ± 6 mm/h
    Resolution  
    Impulse output 0.1 mm
    SDI-12 and RS-485 0.01 mm/min, 0.01 mm/min or mm/h
    Times  
    Intensity output interval 1 minute
    Output delay RT 20 seconds; NRT 5 minutes
    Query interval 6 seconds …. 60 minutes
    Interfaces  
    USB configuration/service mode and firmware update
    Serial interfaces SDI-12 or RS 485
    Digital outputs impulse 0.1 mm (configurable) and status (0 … 120 impulses/min; configurable 5 or 2Hz )
    Measurement output intensity RT; amount RT/NRT, amount NRT, amount total NRT, bucket content RT and NRT; temperature of load cell, status Pluvio², status heating (if present)
    Electrical and mechanical data  
    Sensor element sealed load cell
    Power supply 10 … 28 VDC
    Power/current consumption typ. 12 mA at 12 V
    Ring heating, optional Pluvio² 200: 24 VDC / 50 Watt
    Pluvio² 400: 24 VDC / 100 Watt
    Dimensions (Ø x h)  
    OTT Pluvio² 200 / 400 450 mm x 740 mm / 450 mm x 660 mm
    Pedestal (Ø) 110-120 mm ( 4 ‘)
    Weight (bucket empty) 15 kg
    Material for base plate / bucket / pipe housing stainless steel, aluminium / polyethylene / ASA, UV- resistant
    Environmental conditions  
    Temperature, in operation -40 … +60 °C
    Temperature, storage -50 … +70 °C
    Relative humidity 0 … 100% (non-condensed)
    Protection  
    Housing IP54, resistant to salt fog
    Load cell / electronics IP67 / IP64
    EMC EN 61000-4-2/4/5/6, Level 5 (4 kV) EM/EMI EN 61000-4-3, CE conformity
    RT = real- time; NRT = non real-time ; units can be configured in mm or in (inch) and °C or °F

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