Davis® 0.2 mm Rain Gauge Smart Sensor(S-RGF-M002)



The Davis® Rain Gauge Smart Sensors features the new AeroCone® design, for better measurement accuracy in high-wind conditions. This gauge is made from UV-stabilized ABS plastic to provide a cost-effective sensor for rainfall measurement, and is plug-and-play compatible with all HOBO weather stations.

Also available in a wireless model for use with the HOBOnet Field Monitoring System.

Highlighted Features

  • Streamlined design reduces the amount of missed rain capture in windy conditions, resulting in more accurate rainfall data
  • Improved debris screen locks in place to ensure it remains in place during high winds
  • 16.5 cm (6.5”) collector opening meets World Meteorological Organization (WMO) guidelines


Measurement Range0 to 10.2 cm (0 to 4 in.) per hour, maximum 4,000 tips per logging interval
Accuracy±4.0%, ±1 rainfall count between 0.2 and 50.0 mm (0.01 and 2.0 in.) per hour; ±5.0%, ±1 rainfall count between 50.0 and 100.0 mm (2.0 and 4.0 in.) per hour
Resolution0.01 in. (S-RGC-M002) or 0.2 mm (S-RGF-M002)
CalibrationRequires annual calibration; can be field calibrated
Operating Temperature Range0° to 50°C (32° to 122°F), survival -40° to 75°C (-40° to 167°F)
Environmental RatingWeatherproof
HousingUV-stabilized ABS plastic
MechanismTipping bucket with magnetic reed switch pivots on metal shaft
Dimensions16.5 cm opening diameter (6.5 in.) x 24 cm (9.5 in.) high; 214 cm2 (33.2 in.2) collection area
Weight1.2 kg (2.7 lbs)
Bits per Sample12
Number of Data Channels*1
Measurement AveragingNo
Cable Length Available2 m (6.6 ft)
Length of Smart Sensor Network Cable*0.5 m (1.6 ft)
The CE Marking identifies this product as complying with all relevant directives in the European Union (EU).


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