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- OTT - Model Pluvio² L - Weighing Rain ...
OTT - Model Pluvio² L -Weighing Rain Gauge
The OTT Pluvio² L is an all-weather precipitation gauge that uses superior weight-based technology to measure the amount and intensity of rain, snow, and hail. Developed in conjunction with industry-leading meteorological services, the OTT Pluvio² L employs a high-precision load cell and algorithms that compensate for wind, temperature, and evaporation, ensuring the highest accuracy precipitation measurements over time.
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- Parameters measured: Cumulative precipitation, precipitation intensity, bucket content in real time and non real time
- Measurement technology: Weighing principle
- Product Highlights: All-weather precipitation gauge without moving parts according to WMO guide line No. 8
- Interface: SDI-12 / RS-485, pulse
- 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
- Early Flood Warning: when combined with water level sensors, the Pluvio² L is the central component in an early flood warning system
- Urban hydrology: Even in the event of heavy rainfall of up to 3000 mm/h the Pluvio² L provides precise intensity values for controlling stormwater runoff to the sewer system.
- Recordable precipitation: Liquid, solid, and mixed
- Collecting area: 200 cm² / 400 cm²
- Recordable precipitation amount: 1500 mm / 750 mm
- Measurement method: Weighing measurement method
- Sensor element: Sealed load cell
- Measuring ranges:
- Precipitation: 0 ... 50 mm/min or 0 ... 3000 mm/h
- Cumulative precipitation threshold at 60 min collection time: 0.05 mm/h
- Precipitation intensity threshold: 0.1 mm/min or 6 mm/h
- Accuracy (at -25 ... +45 °C ):
- Amount: ±0.1 mm or ±1 % of measured value
- Intensity: ±0.1 mm/min, ±6 mm/h or ±1 % of measured value
- Resolution:
- SDI-12- and RS-485 interface: 0.01 mm, 0.01 mm/min or mm/h
- Impulse output: 0.05/0.1/0.2 mm
- Measurement Intervals:
- Intensity output interval: 1 minute
- Query interval: 1 minute ... 60 minutes
- Output Delay:
- Real-time (RT): < 1 minute
- Non real-time (NRT): 5 minutes
- Output Data:
- Measurement Output:
- Intensity RT, amount RT/NRT,
- amount NRT, amount total NRT,
- bucket content RT and NRT, temperature load cell
- Status Output:
- OTT Pluvio² L Status,
- Heating status (if present)
- Interfaces:
- Digital interfaces: SDI-12 V1.3,
- RS-485 2- or 4-wire (SDI-12 protocol and ASCII)
- Digital outputs (2/5 Hz): Impulse: 0.05/0.1/0.2 mm (adjustable)
- Status: 0 ... 120 impulses/min
- USB: USB 2.0 (for service mode)
- Electrical Data:
- Power supply: 5.5 ... 28 VDC, typically 12 VDC
- Current consumption: typ. 9.2 mA at 12 V (without heating)
- Power consumption: ≤ 110 mW (without heating)
- Ring heating, optional:
- Power supply: 12 ... 28 VDC, typ. 12/24 VDC
- Current consumption:
- Puvio² L 200: typ. 2.1 A; max. 2.2 A
- Puvio² L 400: typ. 4.2 A; max. 4.4 A
- Power consumption:
- Pluvio² L 200:
- max. 50 W at 24 VDC;
- max. 12.5 W at 12 VDC
- Pluvio² L 400:
- max. 100 Watt at 24 VDC;
- max. 25 Watt at 12 VDC
- Modes of Operation:
- Disabled, continuously enabled,
- continuously enabled within a specified temperature range,
- US NWS standard (time-controlled),
- enabled in case of precipitation (adjustable after-run time)
- Dimensions and Weight:
- Pluvio² L 200 (Ø x h): 450 mm x 752 mm
- Pluvio² L 400 (Ø x h): 450 mm x 677 mm
- Pedestal (Ø): 4``
- Weight (bucket empty): 16 kg / 16.6 kg
- Material:
- Base plate: Stainless steel / aluminium
- Collecting bucket: Polyethylene
- Bucket support, pipe housing: ASA, UV-resistant
- Environmental Conditions:
- Temperature, in operation: - 40 ... +60 °C
- Temperature, storage: -50 ... +70 °C
- Relative humidity: 0 ... 100 % (non-condensing)
- Protection:
- Housing (closed): IP65
- Housing (open): IP63
- Load cell: IP68, resistant to salt fog
- Standards: EMV: 2004/108/EG; EN 61326-1:2013