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Industrial-Grade Optical Rain Gauge RG-15 Rain Sensor

  • $169.00
  • Save $30
  • (Exc. GST)

  • Available in stock

  • $ We Ship from our stock in AU (Perth) with pickup option, and Prices are Exc. GST
  • $ We Offer Quantity Discounts for Large Orders 10+ qty (Request for Quote)
  • $ We Accept Purchase Orders & Net 30 Payment for Eligible Accounts

    Industrial-Grade Optical Rain Gauge RG-15 Rain Sensor

    Industrial-Grade Optical Rain Gauge RG-15 measures rainfall volume and intensity accurately and reliably. It features easy-installation and maintenance-free, suitable for applications in weather and climate studies, hydrological network monitoring, and agriculture, and other scenarios that need monitoring rainfall data.


    • 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
    Rainfall volume provides important information for people's decisions and actions in weather and climate studies, hydrological network monitoring, agriculture, food delivery, and many other industries. Taking agriculture as an example, rainfall is one of the most important sources of water for plant cultivation. With accessible precipitation information, farmers can make sound decisions for the irrigation schedule and amount, thus make sure there is sufficient water for crop growth, and not too much water that leads to waste, root rot, or other diseases.

    Accurate and reliable measurement of rainfall is of vital importance. And this industrial-grade Optical Rain Gauge RG-15 is a perfect fit. It's a reliable, cost-effective, and rugged rain gauge that uses light beams to determine how much rain has fallen at what intensity.
    This industrial-grade optical rain gauge is intended to replace conventional tipping buckets rain gauges. It uses beams of infrared light within a plastic lens about the size of a tennis ball. It's maintenance-free; with the round surface of the lens, there are no collections of debris, no moving parts to stick or water-pathways to clog.

    The RG-15 Optical Rain Gauge features an open-collector output that emulates a conventional tipping bucket, as well as serial communications that provide more detailed data and allow for configuration of the device. It can be configured through the serial port, or optionally via DIP switches. A built-in mounting arm allows for convenient mounting to weather station masts, buildings, and other infrastructure. It's also suitable for solar-powered 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


    Parameter Value
    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
    Very light
    RS232 Port 3.3V
    Supported Baud Rates 1200, 2400, 4800, 9600, 19200, 38400, 57600

    RG-15 RG-9
    High Accuracy Tipping Bucket -
    Wiper Control - -
    Drop Detection - -
    Condensation Sensing - -
    Irrigation Control - -
    Rain Water Harvest - -
    "It's Raining Mode" -
    Low Power
    Unique Hardware - -
    Current Drain 110 uA Nominal 4 mA Raining 110 uA Nominal 4 mA Raining
    Tipping Bucket Accuracy ±10% in our controlled environment -
    Serial Communication RS232 Command Based Bidirectional Command Based Bidirectional



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