WatchDog Data Logger Sensors from Spectrum Technologies, Inc.

SOIL SENSORS

Watermark Soil Moisture Sensor	Watermark Adaptor	External (Soil) Temperature Sensor
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...	Measure soil, air or water temperature with this durable and accurate temperature sensor. More Information...


Irrigation On/Off Sensor	Soil Moisture Transducer
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...


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


CO2 Monitor	Extension Cable	Additional Sensor or Electrical Output Monitoring Options
Use as portable unit or with WatchDog data logger. More Information...	Extend 6-foot sensor by 20-ft. More Information...	Collect data on the output of various electrical devices. More Information...