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The Onset Model RG3-M Metric Hobo Data Logging Rain Gauge is a fully self-contained battery-powered rainfall data collection and recording system which includes an event data logger integrated into a tipping-bucket rain gauge. This model automatically records up to 160 inches of rainfall data that can be used to determine rainfall rates, times and duration. Order this Onset rain gauge online today!
Purchase this Onset rain gauge online and 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 Pendant Event data logger and a tipping-bucket rain gauge. Easily collect rainfall, time, and
duration data, as well as temperature when used with an optional solar
radiation shield. Base station is not included and is sold separately.
Rain GaugeMaximum rainfall rate: 12.7 cm (5 in.) per hourCalibration 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-calibrationOperating temperature range: 0° to +50°C (+32° to +122°F)Storage temperature range: -20° to +70°C (-4° to +158°F)Environmental rating: WeatherproofHousing: 15.24cm (6-in.) aluminum bucketTipping bucket mechanism: Stainless steel shaft with brass bearingsDimensions: 25.72 cm height x 15.24 cm diameter (10.125 x 6 in.); 15.39 cm (6.06 in.) receiving orificeWeight: 1.2 Kg (2.5 lbs)Part numbers: RG3 (0.01 in. per tip), RG3-M (0.2 mm per tip)The CE Marking identifies this product as complying with all relevant directives in the European Union (EU).
LoggerTime stamp resolution: 1.0 secondTime 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 outdoorsNIST 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 useMemory: 64K bytes – 16K to 23K tips when recording rain only; 25K to 30K data points when recording rain and temperatureMaterials: Polypropylene case; stainless steel screws; Buna-N o-ring; PVC cable insulationThe CE Marking identifies this product as complying with all relevant directives in the European Union (EU).
Temperature MeasurementMeasurement 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)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%