
Dyson Robot Vacuum Uses UV Light to Find Stains You Cannot See

Dyson has launched the R3 Nurovi Spot+Scrub UV, a wet and dry robot vacuum that uses ultraviolet light and a green laser to reveal dried on stains that have gone invisible to the eye, and it goes on sale in Singapore in two days at S$1,699.

The pitch rests on a real problem. Most robot vacuums clean what their cameras can see, and many spills dry clear, so a machine that maps a floor by contrast will pass over the worst of it. Dyson says the combination of UV and laser illumination exposes those marks and that its vision system identifies nearly 200 types of household substances and objects, from cooking oil to ink and cosmetics.
And the cleaning behaviour follows from that. Once the robot detects a stain it passes over the area repeatedly until the mark is gone rather than running a single fixed pattern, which is the difference between a scheduled sweep and an actual scrub.
But the hardware matters as much as the detection. A full width microfibre roller is flushed with water heated to 70C through a 12 point hydration system, self cleans on every rotation, and extends 40mm so it can reach a skirting board rather than stopping short of it. Edges are where most robot vacuums leave a line of dirt, and the extension is Dyson's answer to it.
Suction is still the core claim. A 30,000 Pa motor delivers 65 per cent more suction pressure than the previous generation across hard floors and carpets, which is the figure Dyson expects buyers to compare against rivals. Suction alone no longer separates premium machines, so the claim is about keeping parity while the cleaning intelligence does the selling.
And the dock does the maintenance that usually kills the experience. It empties the bin, washes and dries the roller and recharges the machine after every clean, and Dyson says it stores up to 100 days of dry debris, which turns a daily chore into a quarterly one. It also means the owner barely touches the machine, which is the whole point of the category.
So the machine is competing on the two things that decide whether a robot vacuum gets used, which are whether it finds the mess and whether the owner has to touch it. UV stain detection addresses the first, a self maintaining dock addresses the second.
The price is where that lands. At S$1,699 the R3 Nurovi sits at the top of the local robot vacuum market rather than in it, and Dyson is asking buyers to pay a premium for detection and a dock rather than for suction alone. That is a harder sell in a category where several rivals now clean a flat well enough for most flats.
So what the launch does not give is measured performance. Dyson has not published independent test results for stain removal, battery runtime on a full clean, or the noise level, and the 65 per cent suction figure is a comparison the company made against its own previous model.
Dyson has launched the R3 Nurovi Spot+Scrub UV wet and dry robot vacuum
It uses UV light and green laser illumination to reveal dried on stains and identifies nearly 200 substances
A 30,000 Pa motor delivers 65 per cent more suction pressure than the previous generation
The dock empties, washes, dries and recharges the machine and stores up to 100 days of debris
It goes on sale in Singapore in two days at S$1,699
Source: Dyson


