WatchDog 3250 Wireless ET Station
The WatchDog 3250 Wireless ET Station measures temperature, relative humidity, rainfall, solar radiation, and wind speed & direction. Use real-time ET data to effectively irrigate for optimum yield.
The following items are required for the product to function properly. They are sold separately.
The following items are optional.
WatchDog 3250 Wireless ET Station
Use real-time ET data to effectively irrigate for optimum yield and quality
The fully integrated WatchDog 3250 Wireless ET Station measures temperature, humidity, rainfall, and wind speed/direction. It records and communicates the data to the cloud using its internal modem or radio. With these sensors, evapotranspiration (ET) can be computed by SpecConnect, indicating the amount of water leaving your field.
-
Integrated Solar Power system for reliable power
-
Integrated Modem/Radio for reliable communications: available with a choice of cellular modems or other radios.
-
Integrated Data Logger protects your data, holds over 18 months of data at a 15-minute recording interval and data can be transferred to a USB flash drive
-
Easy to install - start measuring in minutes! Mounts to a 1.25 inch mast, u-bolts included
-
Bluetooth connectivity to your Apple or Android smartphone running the free WatchDog Mobile App speeds setup and displays current conditions - data at your fingertips to better plan your day!
-
Sends data to the SpecConnect Cloud Solution - View current conditions or historical data using a broad selection of analytical reports from anywhere in the world
-
Receive alerts via automated phone call, text message, and/or email immediately when temperature crosses your selected threshold - no waiting for the next scheduled upload
-
Customizable with plug-in sensors to meet your needs
-
Receive the latest changes with over-the-air updates (also available via a USB flash drive)
-
The durable enclosure provides moisture, corrosion, and UV protection for increased reliability in harsh environments
-
Designed and manufactured in the USA to provide quality data you can rely on
Communication Options
-
Cellular
-
LTE-M - US/Canada/Mexico
-
LTE-CAT4 - North America
-
WiFi
-
900MHz Radio
-
Data Logger (No Modem)
-
Item 3250HU has a 3G/HSPA+ cellular modem. Requires SpecConnect subscription. (Not for use in the USA)

-
External Communication: Cellular, USB, Bluetooth, RS232
-
External Sensor Ports: 1 x 2.5mm stereo jack (0 to 3.0VDC analog input)
-
Data capacity: 30,000 data intervals can be stored on the unit before the oldest record is overwritten by the newest data (312 days at 15 minute intervals).
-
Dimensions (HxLxW): 12 x 19.5 x 11.25 in (30.5 x 49.5 x 28.6 cm). (Without 7.25 in (18.4 cm) antenna)
-
Weight: 9.9 lbs. (4.5 kg)
-
Power Source: 3.5W solar panel, Rechargeable 6V/4.5AH SLA battery, optional AC/DC power adapter.
-
Battery Life: 14 days minimum with no solar power.
-
LED: 3-color (Red, Amber, Green)
-
Operating Temperature Range: -22° to 130°F (-30° to 55°C)
2023 Spectrum General Product Catalog - CLICK HERE
2023 Spectrum Turf Product Catalog - CLICK HERE
Product Flyer - 3250 WatchDog Wireless ET Station - CLICK HERE
Product Manual - 3000 Series WatchDog Weather Stations - CLICK HERE
Product Manual - WatchDog Retriever & Pups - CLICK HERE
View Product Videos HERE