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The fast rotating impeller (up to 35,000 RPM) creates negative pressure inside the vacuum, which is lower pressure than the surrounding atmosphere.

You need to remove the dust container from the cleaner before emptying, but if you twist too far you’ll open it and shower yourself in dust.Small particles can also escape when emptying, although this is an issue with all bagless vacuums.

A risk assessment or a powerful tool for the optimisation of data centre design: what should the role of CFD be in data centre design?

Being a pet vacuum, you’re likely to pick up lots of pet hair in your dust canister.Somewhat annoyingly, the HX1 is prone to pet hair and dirt getting stuck in the canister.You may need to pull it out by hand, as there’s no internal collar to push out stubborn hair..

A risk assessment or a powerful tool for the optimisation of data centre design: what should the role of CFD be in data centre design?

Overall, the emptying process isn’t the easiest and could certainly be improved in future Miele vacuums.The bin is fiddly to remove, empty, and replace.

A risk assessment or a powerful tool for the optimisation of data centre design: what should the role of CFD be in data centre design?

This isn’t ideal when it’s a small capacity vacuum, so regular emptying is required.. On the plus side, the brush bar itself is easy to remove for cleaning.

This is important for removing hair that gets wound around the bar.This can make comparing vacuum outputs more difficult.

What’s the actual difference between a vacuum with a 68dB noise intensity and a 72dB noise intensity?And how will this affect your cleaning tasks?.

We consider any vacuum under 75dB to be quiet, while those below 65dB are “silent.” With that said, you still won’t be able to have a regular conversation if your vacuum cleaner outputs 75dB.It’s still relatively loud, but noticeably quieter than the loudest vacuums..