Easy to use, safe to trust, easy to afford.

Spectrum Technologies, Inc. develops and provides affordable, leading-edge plant measurement technology to agricultural, horticultural, environmental, and turf markets throughout the world. The company was founded in 1987 and is headquartered in Aurora, Illinois, USA. Since 1987, the company has established itself as a world leader in advanced plant and environmental measurement technologies, serving over 14,000 customers in more than 80 countries – with over half of its business international. Its customers include growers, consultants, golf course superintendents, sports turf managers, universities and research organizations, soil and water management experts, municipalities and government agencies.

Spectrum Technologies has won 24 AE50 awards from the American Society of Agricultural and Biological Engineers, demonstrating the company’s deep commitment to innovation and quality, and has partnered with leading research and industry organizations including NASA, the US Department of Agriculture, the USGA, PGA, and GCSAA; and with major universities around the world.

Spectrum’s product line spans all areas of plant and environmental measurement, with the objective of helping customers make objective decisions regarding crop inputs. The company’s trademarked brands include:

WatchDog® – Our extensive line of cost-effective weather monitoring equipment includes weather stations and data loggers with sensors for measuring air temperature, humidity, rain fall, light quality, wind speed, soil moisture/soil EC/soil temperature, plant disease pressure, and many other parameters.

FieldScout® – Portable soil and plant diagnostic tools, including TDR soil moisture meters, soil compaction and turf firmness meters, light meters, and hand-held meters for nutrient measurement: pH and EC; NDVI; Chlorophyll content; and nitrate nitrogen, potassium, and calcium content of soil and plant tissue.

WaterScout® – These sensors measure soil moisture, soil EC, and soil temperature, and can be installed at different depths in the root zone to better manage irrigation and fertilization applications.

LightScout® – Our line of portable light meters and sensors, for measuring PAR/Quantum light, UV, and solar radiation in the field, and for interfacing with Spectrum’s data loggers and weather stations. Key tools for measuring light quality in the field, greenhouse, or on the golf course for actionable data to make decisions.

SpecConnect® – Spectrum’s award-winning online platform for collecting data from WatchDog® weather stations and FieldScout® mobile devices (TDR meters and others) that allows growers, superintendents, and researchers to monitor and report on data remotely. The platform features cloud-based data analysis and real-time viewing, a graphical, user-