Handheld Refractometers

Welcome to Spectrum Technologies, Inc.

Spectrum offers a full line of affordable measurement technology for soil compaction, soil moisture, nutrient levels, light, weather, and other factors directly affecting plant development. Record rainfall, leaf wetness hours, temperature and humidity fluctuations, and other weather events with our WatchDog data logging line, which ranges from stand-alone units to full weather stations. Comprehensive software allows user to graph data, run reports, create custom reports, export data to excel and import other weather data. Disease monitoring software is available for 17 disease models and 60 insect models. Over 15,000 customers count on Spectrum's easy to use, dependable technology.