
Handheld Grain Temperature and Moisture Monitoring
Cost-effective grain storage peace of mind in the palm of your hand. The StorMax monitoring system provides you with accurate digital data about your grain so you can proactively manage aeration fans and prevent spoilage.

Cost-Effective Handheld Grain Monitoring
Get grain-storage peace of mind with the StorMax handheld monitoring system. The StorMax monitoring system provides you with accurate digital data about your grain so you can proactively manage aeration fans and prevent spoilage.
StorMax is ideal for grain storage managers looking for a low-cost solution. The expandable StorMax system lets you easily upgrade from handheld monitoring to fully automated monitoring with OPI Blue, or an Integris Basic or Pro system.
Simply plug in the StorMax monitor to access grain temperature readings and much more. The StorMax monitor enables you to store all readings, which allows you to analyze long-term trends.
StorMax removes the guesswork from storage management and replaces it with certainty. The StorMax system lets you proactively manage grain condition by providing you with the grain information you need to determine when and how long to run fans to cool and dry your grain.
Built on the OPI-pioneered digital platform, rest assured you’re investing in the most accurate, reliable and expandable system on the market today.
Temperature Sensing
StorMax retractable temperature cables and 2-wire digital technology for maximum accuracy (+/-0.5°C or +/-1.0°F) and reliability, as well as simplicity of installation and service.
Moisture Sensing
Calculates moisture content by taking relative humidity and temperature measurements up through the grain (typically every 4’ to 6′)—with accuracies up to +/-0.5%.