Onset HOBO Data Logging Rain Gauge

The Onset HOBO Data Logging Rain Gauge is battery-powered and includes a HOBO Pendant Event data logger with a tipping-bucket rain gauge.

Features

  • Time and date stamp is stored for each tip for determining rainfall rates and duration
  • Compatible with HOBOware and HOBOware Pro software for logger setup, graphing and analysis
  • Also records temperature when used with an optional solar radiation shield
Starting At $530.00
Stock Check Availability  

Overview
Record up to 160 in. of rainfall at rates up to 12.7 cm (5 in.) per hour. The Data Logging Rain Gauge system is battery-powered and includes a HOBO Pendant Event data logger with a tipping-bucket rain gauge. Easily collect rainfall, time, and duration data, as well as temperature, when used with an optional solar radiation shield (RS1 Solar Radiation Shield, or M-RSA). A base station or shuttle is required.

Rain Gauge
Maximum rainfall rate: 12.7 cm (5 in.) per hour
Calibration accuracy: ±1.0% (up to 1 in./hour for the RG3 or 20 mm/hour for the RG3-M)
Resolution: 0.01 in. (RG3) or 0.2 mm (RG3-M)
Calibration: Requires annual calibration: can be field calibrated or returned to the factory for re-calibration
Operating temperature range: 0° to +50°C (+32° to +122°F)
Storage temperature range: -20° to +70°C (-4° to +158°F)
Environmental rating: Weatherproof
Housing: 15.24cm (6-in.) aluminum bucket
Tipping bucket mechanism: Stainless steel shaft with brass bearings
Dimensions: 25.72 cm height x 15.24 cm diameter (10.125 x 6 in.); 15.39 cm (6.06 in.) receiving orifice
Weight: 1.2 Kg (2.5 lbs)
Part numbers: RG3 (0.01 in. per tip) ; RG3-M (0.2 mm per tip)

Logger
Time stamp: Resolution 1.0 second
Time accuracy: ± 1 minute per month at 25°C (77°F), see Plot B on page 10.
Operating range: -20° to 70°C (-4° to 158°F)
Environmental rating (for logger used outside of rain gauge): Tested to NEMA 6 and IP67; suitable for deployment outdoors
NIST traceable certification: Available for temperature only at additional charge; temperature range -20° to 70°C (-4° to 158°F)
Battery: CR-2032 3V lithium battery; 1 year typical use
Memory: 64K bytes – 16K to 23K tips when recording rain only; 25K to 30K data points when recording rain and temperature
Materials: Polypropylene case; stainless steel screws; Buna-N o-ring; PVC cable insulation

Temperature Measurement
Measurement range: -20° to 70°C (-4° to 158°F)
Accuracy: ± 0.47°C at 25°C (± 0.85°F at 77°F). A solar radiation shield is required for accurate temperature measurements in sunlight.
Resolution: 0.10°C at 25°C (0.18°F at 77°F), see Plot A on page 10.
Drift: Less than 0.1°C/year (0.2°F/year)
Response time: Airflow of 1 m/s (2.2 mph): 10 minutes, typical to 90%

  • Tipping-bucket rainfall collector
  • HOBO Pendant Event Logger
  • Mounting accessories: two hose clamps, three screws
Questions & Answers
How do these sensors log data, do I need an external device?
The Onset data-logging rain gauges record tipping bucket events with an internal HOBO pendant event logger.
Can temperature be measured with the Onset data logging Rain gauge?
Air temperature can be collected along with rain data by routing the HOBO pendant temperature and event logger outside the tipping bucket and mounting the logger in a solar radiation shield.
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Onset HOBO Data Logging Rain Gauge
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HOBO data logging rain gauge, 0.01" per tip
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