Moisture meter DRAMINSKI Twist  Grain Pro gives possibility of modifying calibration curves. Moisture meter users can calibrate the device on their own, i.e. modify preset  moisture curves for each bean type, which curves have been created based on comparative studies with the use of an oven-drying method .A large graphic and LED- illuminated display allows reading the result in any conditions (field/warehouse, full sun/night). The menu enables the user to adjust the display settings: illumination time, illumination intensity and contrast The Twist Grain pro device is equipped with the real time clock, which, together with huge data storage capacity, allows recording 50,000 moisture measurements and temperature