• Industrial-grade: round and reliable lens surface which discourages the collection of debris and dirt
• Easy-installation: on weather station masts, buildings, and other infrastructures
• Maintenance-free: as a low maintenance rain gauge, it can be used for 7-10 years without replacement
• Compacted Sized: as small as a tennis ball
• Wide Application Scenarios

• Input Voltage: Range 5-15 VDC on J1 Reverse polarity protected to 50V or 3.3VDC through pin 8 on J2
• Current Drain: 110 uA nominal. (No outputs on, dry not raining) 2-4 mA when raining
• Output: NPN Open Collector Output 100 mA / 80V Max
• Operating Temperature: -40°C to +60°C (Will not detect rain when freezing)
• DIP Selectable Sensitivity
  • ​Rain Drops
  • Medium
  • Very light
  • Heavy
• RS232 Port: 3.3V
• Supported Baud Rates: 1200, 2400, 4800, 9600, 19200, 38400, 57600
• Current Drain 110 uA Nominal 4 mA Raining
• Serial Communication RS232 Command Based Bidirectional

Applications:

• Smart Agriculture
• Smart City
• Climate Studies
• Hydrological Network Monitoring
• Condensation and Frost Sensing
• Irrigation Control 
• Drop Detection
• Process Control
• Opening and Closing Skylights, Vents, Louvers, or Windows

• RG-9 Datasheet & Specification

• 1 x Industrial-Grade Optical Rain Gauge RG-9 Rain Sensor