HOBO RX3000 Frost Alarm System

Our new HOBO RX3000 Frost Alarm System makes it easy and affordable for growers to protect their crops from frost while reducing water usage. The system includes the HOBO RX3000 station, temperature Smart Sensor, and solar panel. System pricing starts at $1890.*


HOBO U30 Frost Alarm System
bullet2 Protect crops from frost while reducing water usage
bullet2 View real-time field conditions during frost events
bullet2 Automatically trigger irrigation pumps and wind machines
bullet2 Get instant notification when frost occurs

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or call 1-800-564-4377.


The solar-powered RX3000 Frost Alarm System enables growers to view real-time field conditions during frost events from any web browser, and set up frost alarms that automatically turn on irrigation pumps, wind machines and other frost-abatement equipment. To enhance frost protection efforts, the system can also send growers instant notification of when frost occurs, or equipment problems, via cell phone and email. 3G cellular and Wi-Fi communication options are available.

Other features include:

  • Research-grade dependability – The system features a NEMA 4x rated, double weatherproof enclosure for years of dependable operation in harsh field environments.
  • Cellphone alertSmart Sensor architecture – The system’s Smart Sensor architecture enables a range of plug-and-play Smart Sensors to be connected without any complex wiring or programming.
  • Expandable design – The system can be easily expanded to monitor a wide range of field parameters including rainfall, soil moisture, wind speed and direction, and pump pressure.

To view real time data, Onset offers HOBOlink® data logging software, Onset's web-enabled software platform. HOBOlink allows users to access current and historical data, set alarm notifications and relay activations, and manage and control HOBO RX3000 Frost Alarm Systems right from their desktop.

*Additional Smart Sensors are priced separately.

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