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Hobo S-RGF-M002 – Onset

Davis 0,2 mm rain gauge smart sensor, compatible with the USB data loggers stations or with the web-based monitoring systems for remote communication


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.

This is a plug-and-play smart sensor, who is compatible with RX, H21, H22, and U30 loggers (stations) and is also available in a wireless model for use with the HOBOnet field monitoring system. It has a streamlined design, which reduces the amount of missed rain capture in windy conditions resulting in more accurate rainfall data. There are improved debris screen locks in place to ensure it remains in place during high winds. The 16,5 cm collector opening meets World Meteorological Organization (WMO) guidelines.
This sensor operates in an outdoor environment and the S-RGF-M002 sensor supports the following measurement: rainfall.

Technical specifications

Measurement range: 0 to 10,2 cm per hour, maximum 4.000 tips per logging interval

Accuracy: ±4.0%, ±1 rainfall count between 0,2 and 50,0 mm per hour: ±5,0%, ±1 rainfall count between 50,0 and 100,0 mm per hour

Operating temperature range: 0° to 50°C, survival -40° to 75°C

Environmental rating: weatherproof

Mechanism: tipping spoon with magnetic reed switch pivots on metal shaft

Number of data channels: 1

Measurement averaging: no

Cable length available: 2 meters

Length of smart sensor network cable: 0,5 meters

CheckOptional with calibration

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