Abstract: A combine performance monitor includes a programmed, special purpose computer coupled to a plurality of sensors for detecting a plurality of different operating conditions in a combine. The special purpose computer cooperates with operator accessible controls for calculating a plurality of predetermined performance parameters of the combine in accordance with signals from the sensors. The computer is further responsive to actuation of the controls by the operator for modifying the program so as to customize the combine performance monitor for operation with any combine selected, for operation with the particular sensors utilized in that combine selected and for operation of the selected sensors and combine in harvesting a particular grain.

Abstract: A method and apparatus for determining the pasting temperature of starch and the like is disclosed wherein a quantity of starch granules are mixed to form a slurry which is heated while a light source is passed through the slurry. Photosensor means detect the light transmittance through the slurry and are connected in circuit to place a visual temperature display means in a hold condition displaying a temperature representative of the pasting temperature of the starch when the light transmittance reaches a predetermined threshold.