OTT Pluvio2 L specifications - AWS810

AWS810 System Description
Document code
M212417EN
Revision
H
ft:locale
en-US
Product
AWS810
Document type
Technical description
OTT Pluvio2 L measurement performance
Property Description/Value
Measuring
Bucket content 750 mm (29.53 in)
30 l (7.93 gal)
Collecting area 400 cm2 (62 in2)
Ø 225.7 ±0.4 mm (Ø 8.89 ±0.017 in)
Sample interval (poll) 1 … 60 min
Precipitation
Recordable precipitation Liquid, solid, mixed
Recordable precipitation amount (version 400) 750 mm (29.53 in)
Wind
Maximum wind speed to retain accuracy 33 m/s (74 mph)
Maximum wind speed without device fault 50 m/s (112 mph)
Other
Relative humidity 0 … 100 % (non-condensing)
OTT Pluvio2 L accuracy
Measurement value Units Measuring range Resolution Accuracy absolute Accuracy relative Output delay (minutes)
Intensity RT mm/h 6.0 … 1800.0 0.6 ±6 ±5 % < 1
Accumulated RT/NRT mm 0.10 … 500.0 0.01 ±0.1 ±5 % 1 … 65
OTT Pluvio2 L inputs and outputs
Property Description/Value
Power
Supply voltage 5.5 … 28 V DC, typically 24 V, secured against reverse polarity
Current consumption Typically 9.3 mA at 12 V
Power consumption ≤ 180 mW
Orifice rim heating power
Supply voltage 20 … 28 V DC, typically 24 V DC, secured against reverse polarity 1
Heating capacity Typically 53 W at 24 V, max. 58 W
Output delay
Real time < 1 minute
Non-real time 5 … 65 minutes
Interfaces
USB Version 1.1 (only for service purposes, no overload protection)
SDI‑12 Version 1.3
Output measurement values
  • Intensity RT 2
  • Accumulated RT/NRT 3
  • Accumulated NRT
  • Accumulated total NRT
  • Bucket RT
  • Bucket NRT
  • Status
  • Temperature load cell
  • Heating status
OTT Pluvio2 L operating environment
Property Description/Value
Operating temperature −40 … +60 °C (−40 … +140 °F)
Storage temperature −50 … +70 °C (−58 … +158 °F)
Temperature compensation −25 … +45 °C (−13 … +113 °F)
IP rating

IP65 (resistant to salt fog) (pipe housing closed)

IP63 (pipe housing open)

IP67 (load cell)
Orifice rim temperature
Operating range of the orifice rim heating (ambient temperature) −40 … +20 °C (−40 … +68 °F)
Measuring range of the orifice ring rim temperature −20 … +40 °C (−4 … +104 °F)
Set temperature (orifice ring rim) +5 … +20 °C (+41 … +68 °F), factory setting: +8 °C (+46.4 °F)
Accuracy of the set temperature ±1 °C
OTT Pluvio2 L mechanical specifications
Property Description/Value
Dimensions (H × Ø) 660 × 450 mm (25.98 × 17.72 in)
Weight (empty) 15 kg (33 lb)
EMC EN 61000‑4‑2/3/4/5/6
OTT Pluvio2 L materials
Property Description/Value
Base plate Aluminum
Collecting bucket Polyethylene
Bucket overlay Polypropylene
Pipe housing ASA, UV resistant
OTT Pluvio2 L dimensions
1 Galvanic separation of the power supply for the orifice rim heating and the precipitation gauge is not necessary.
2 Used by data logger for reporting the precipitation intensity.
3 Used by data logger for calculating the precipitation amount.