Excellent product. It measures the same values as my Air Purifier, therefore I suppose, they are accurate. I use it during my work (electrician), sometimes in extreme dust. Even afterwards, it returns to low values when the dust settles.

Excellent product. It measures the same values as my Air Purifier, therefore I suppose, they are accurate. I use it during my work (electrician), sometimes in extreme dust. Even afterwards, it returns to low values when the dust settles.

Excellent product. It measures the same values as my Air Purifier, therefore I suppose, they are accurate. I use it during my work (electrician), sometimes in extreme dust. Even afterwards, it returns to low values when the dust settles.

perfect 👌... very practical

perfect 👌... very practical

perfect 👌... very practical