How does the sensor mode on a dishwasher work?

Question

How does the dishwasher detect how dirty the dishes are?

In: 11

Answer 1

it detects how dirty the water being rinsed off the dishes is by measuring the particulates in the water before it’s strained and recycled.

Answer 2

That’s great! Thank you! I love dishwashers.

Answer 3

I didn’t even think about the first part, but your point is interesting!