Sewing a stain strip onto a hand towel before a cleaning cycle.
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A mechanical action strip before and after a cleaning cycle.
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Using the colorimeter to measure stain removal.
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The colorimeter measures percent reflectance.
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The higher the percent, the better the machine's cleaning performance.
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A stain strip before and after a cleaning cycle.
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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.
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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.
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Discuss: The tech behind our washing machine testing (pictures)
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Discuss: The tech behind our washing machine testing (pictures)
Be respectful, keep it civil and stay on topic. We delete comments that violate our policy, which we encourage you to read. Discussion threads can be closed at any time at our discretion.