WatchDog 3550 Wireless ET Station Description：

Product Manual

Use real-time ET data to effectively irrigate for optimum yield and quality AND with FIVE available ports, you can add even more sensors to measure what is important to you!

The fully integrated WatchDog 3550 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)

Specifications

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)