Scoop calibration between grades: the 10 percent nobody weighs
Two operators, one scoop, 12 percent apart. How to calibrate a polymer scoop in ten steps, why humidity shifts the weight, and where the error costs.
Density checks that keep a dosing system honest
Loose versus tapped bulk density, a five-minute cup method, the Hausner ratio that predicts dosing drift, and why humidity quietly changes your feed rate.
