The world’s smallest, lowest-cost absolute moisture monitor, the M-i offers proven stability, precision, and repeatability. Based on our legendary electrolytic technology, its sensor comes from MEECO, Inc., which has manufactured the most reliable P2O5 cells since 1953. The M-i combines a heritage of fine technology with the latest in sustainable packaging. The M-i is calibration-free, requires no consumables, and its sensor is completely recyclable. All told, the M-i equals the best value in one little analyzer