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Use This Optical Rain Gauge to measure Rainfall or to Control Systems
Hydreon RG-11 Rain Gauge
Hydreaon RG-11 Rain Gauge
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It Counts the Raindrops
Hydreon RG-11 Rain Gauge
Item# 94801
Free shipping on orders over $175 - See Details


  • Measures rainfall by counting drops
  • Maintenance-free
  • Extremely sensitive - can count just one drop
  • Adjustable sensitivity
  • Measures both rain amount and intensity

Essential Info

Now you can accurately measure your rainfall without going outside to empty the bucket! You could also use this as a rain sensor to trigger your skylights to close at the firs few drops of rain, or disable your sprinkler system. The rain sensor works by detecting the change in light patterns when water drops on the outside surface of the dome absorb beams of light, rather than being reflected back inside the dome. The sensor is completely sealed, so no insects or leaves can jam up the mechanism and cause it to fail - there are no mechanical parts. The dome shape is naturally self-cleaning, unlike other type of rain gauge that require periodic cleaning of water residue and accumulated debris. Since the sensor works by counting rain drops, it begins registering when the first drop hits, unlike "bucket" rain gauges that need to fill to some level. It is not affected by vibration from high winds, nor by the effect of rain hitting with increased energy from wind. The sensor can also signal a control system when it is dark outside. Install in air conditioning ducts to be alerted if condensation is forming inside the ducts.


What's Included

  • 1x - RG-11 Rain Gauge/Sensor
  • 1x - Instructions

  • Specifications

    Manufacturer Product No.RG-11
    Power Requirement9~30VDC or 9~26VAC
    Power Consumption15mA nominal
    1.5mA sleep mode
    50mA output on
    55mA heater on
    OutputRelay closure, NC and NO
    Maximum Relay Load1A @ 24VDC
    Operating Temperature-40° to 140°F (-10° to 60°C)
    DimensionsDome: 2.78" dia x 2.17" (70.7 dia x 55.2mm)
    Mounting Arm: 0.75" x 2" (19.2 x 49.5mm)
    Mfgr Warranty1 year, limited
    Important notes:
    Only merchandise credit for defective items returned within 30 days of purchase. No other returns allowed on this item.
    Manufacturer contact information: Hydreon Corp, Tel: (952) 943-2378


    It Counts the Raindrops       
    It Counts the Raindrops       


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