In the rate-of-rise approach, the sensor detects an unusually rapid increase in the area temperature within a relatively short period of time
RoR is the number of degrees per minute (sometimes measured across 30 seconds) by which the temperature of the beans increases at any point during a roast. Throughout a roast, this data is represented on a graph, which is often known as a roast curve.
With this information, we can conclude that The rate-of-rise (RoR) method determines flow by measuring the time rate of change of the amount of gas in a collection tank of known volume as it is filled via a flow meter under test.
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