Unique on the market: handy, small and professional This specific range of coffee bean moisture meter is calibrated and tailor made specifically for the coffee industry .Easy to use and highly portable device that has been used by many companies across the globe .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