Portable Moisture Meter for Seeds B d How grain moisture is being measured ?DRAMIŃSKI Grain Moisture Tester uses the capacitance measurement method. A reference method used for developing calibration curves, that are permanently stored in the device memory, is a laboratory oven-drying method used in accordance with applicable standards. What is shortened modification used for? Dramiński Grain Moisture Tester gives possibility of modifying calibration curves. Tester users can calibrate the device on their own, i.e. modify preset moisture curves for each species, which