Sewing a stain strip onto a hand towel before a cleaning cycle.
A mechanical action strip before and after a cleaning cycle.
Using the colorimeter to measure stain removal.
The colorimeter measures percent reflectance.
The higher the percent, the better the machine's cleaning performance.
A stain strip before and after a cleaning cycle.
Measuring the number of attached strings on the mechanical action strip at or over 2 millimeters.
The higher the tally, the rougher the machine was on the clothes.
The tech behind one of our two washing machine test stations, complete with a hot and a cold flow meter, a water temperature sensor, a water pressure sensor and more.