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Introducing the WatchDog® Wireless Crop Monitor!

Monitor crop and greenhouse temperatures accurately and remotely!
crop monitor
model ST3545
Just $489 US$ 
Buy Crop Monitor
The Watchdog wireless crop monitor uses remote sensor/transmitter modules to measure and wirelessly transmit the temperature (humidity optional) of your crop or greenhouse. The wireless sensing units can be installed anywhere within a 1300 foot radius from the local base monitoring unit. Additional sensor/transmitters may be simply added or moved around. The base module receives regular transmissions from the remote sensors and displays the temperatures in large easy to read LED display. If any sensor detects a temperature violation the base module will alert you with an audible alarm and warning light.
Frost Sensor Diagram
Crop Frost Sensor
crop monitor
 Complete Remote Temperature Kit including Base Monitoring Unit and Remote Sensing Unit :
WatchDog Wireless Crop Monitor-Temp
Includes: (1) Base Unit & (1) Remote Unit (Temp)
Receives the transmitted data from the wireless remote sensing units, displays the current values, and alarm status. Pre-defined high or low temperature conditions trigger the red alarm indicators and the alarm sounds to notify you of the situation in real-time.		 model ST3545
Just $489 US$ 
Buy Crop Frost Sensor
crop sensor
crop sensor Wireless Remote Sensing Unit:
Up to 16 of these may be used one base module. Each Remote Sensor Unit measures the temperature and transmits the data wirelessly to the base unit. The transmission frequency is 400MHz and the module is powered by 2 AA batteries (included). Expected battery life is 6 months. Remote units require a radiation shield.		 model ST3546
Just $225 US$ 
Buy Frost Sensor
radiation shield

Radiation Shield: (Required)
Protects your sensor from irrigation, rain, solar radiation and other sources of heat that may create inaccurate measurements.

radiation shieldfrost sensor shield dimensionsfrost sensor shield
model ST3663WCM
Just $79 US$ 
Buy Frost Sensor Shield
software
 Spec Log® Crop Monitor Software: (Optional)
Log weather data on your PC and produce the reports you need to manage plant growth. Reports include: T/RH Hours, DIF Temperature, Degree-Days, Daily and Monthly Summaries. 		model ST3653
Just $199 US$ 
Buy Frost Sensor Software
Specifications
Wireless remote sensing units
Measuring range
Temp -4°F - 158°F / Humidity 10% - 99% RH
Resolution
 Temp- 0.1°F / Humidity 1%
Accuracy
 Temp ± 1 °F ( 14°F to 113°F )
Temp ± 1.8 °F (-40°F to 14 °F )
Humidity ±3% RH
Radio Frequency 426.075 MHZ, unlicensed low-power radio equipment
RF Transmission Range Max 300 M / 1000 feet
Power Supply 2 AA Alkaline batteries (included) 6 month battery life
Operating Range -40°F to 158°F / 80%RH
Dimensions 5.25"(H) x 4"(W) x 1"(D)
Weight 7.0 oz including battery
   
Local Base Monitoring Unit
Number of channels 16 Wireless Remote Sensing units
Display Range -40°F to 178°F/ Humidity 10% to 99% RH
Display Resolution Temp- 0.1°F / Humidity 1%
Computer Interface RS232 Serial Interface
Power Supply AC 110 Plug-In Power Adapter
Operating Range -4°F to 158°F / 80%RH
Dimensions 5.75"(H) x 4.33"(W) x 1"(D)
   
 
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