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OTT Pluvio˛ L – Weighing Rain Gauge
OTT Pluvio² L – Weighing Rain Gauge


 



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Product Code: 70.040.001.9.0-
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Description
 

All-weather, high accuracy rain gauge for continuous data collection


The OTT Pluvio˛ 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 Pluvio˛ L employs a high-precision load cell and algorithms that compensate for wind, temperature, and evaporation, ensuring the highest accuracy precipitation measurements over time.

  • Cumulative precipitation, precipitation intensity, bucket content in real time and non real time
  • Weighing principle
  • All-weather precipitation gauge without moving parts according to WMO guide line No. 8
  • SDI-12 / RS-485, pulse
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Recordable precipitationLiquid, solid, and mixed
Collecting area 200 cm˛ / 400 cm˛
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 Pluvio˛ 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 Puvio˛ L 200: typ. 2.1 A; max. 2.2 A
Puvio˛ L 400: typ. 4.2 A; max. 4.4 A
Power consumption
Pluvio˛ L 200: max. 50 W at 24 VDC;
max. 12.5 W at 12 VDC
Pluvio˛ 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
Pluvio˛ L 200 (Ř x h) 450 mm x 752 mm
Pluvio˛ L 400 (Ř x h) 450 mm x 677 mm
Pedestal (Ř) 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




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