WatchDog Weather Station Sensors from Spectrum Technologies, Inc.

SOIL SENSORS

WaterScout SM 100 Soil Moisture Sensor	Watermark Soil Moisture Sensor	Watermark Adaptor
The new Spectrum WaterScout SM 100 Soil Moisture Sensor measures soil moisture with little or no disturbance to the root zone. The thin shape and pointed tip allows for easy insertion into the soil or growing medium. More Information...	The Watermark Soil Moisture Sensor to pinpoint soil moisture levels and trends affordably. Easy to install. No maintenance required. More Information...	Use your existing Watermark Sensor with WatchDog Weather Stations and Data Loggers. More Information...


External (Soil) Temperature Sensor	Irrigation On/Off Sensor	Soil Moisture Transducer
Measure soil, air or water temperature with this durable and accurate temperature sensor. More Information...	Combine with WatchDogs to keep track of your irrigation events. More Information...	Turn your tensiometer into a soil moisture data logger with this transducer unit. More Information...
LIGHT SENSORS

Quantum Light Sensor	UV Light Sensor	Silicon Pyranometer Sensor
Capture radiation between 400 and 700 nanometers (nm) to calculate daily light integral with this Quantum Light sensor. More Information...	Spectrum's UV Light Sensor captures critical ultraviolet radiation between 250-400 nanometers (nm) to calculate daily light integral with this UV sensor. More Information...	Capture solar radiation between 300 and 1000 nanometers (nm) to calculate daily light integral with this pyranometer sensor. More Information...


3 Sensor Quantum Bar	6 Sensor Quantum Bar
Three cosine corrected Quantum sensors average their readings to minimize the effects of small shadows such as below a canopy or in a greenhouse. More Information...	Six cosine corrected Quantum sensors average their readings to minimize the effects of small shadows such as below a canopy or in a greenhouse. More Information...


Tipping Bucket Rain Collector	Leaf Wetness Sensor	Temperature (Micro) Sensor
Freeze-resistant, accurate and reliable. More Information...	Designed to emulate the surface of a leaf, this leaf wetness sensor tracks wetness periods which lead to plant disease. More Information...	Measure surface temperature of leaves and other applications with this micro-sensor. More Information...


Additional Sensor or Electrical Output Monitoring Options	CO2 Monitor	Barometric Pressure Sensor
Collect data on the output of various electrical devices. More Information...	Use as portable unit or with WatchDog data logger. More Information...	Records barometric pressure in metric (mm) or U.S. (inches) of Hg. More Information...


Extension Cable
Extend 6-foot sensor by 20-ft. More Information...