I recognize the meter used in that article, looks like a Dylos DC1100 Pro or similar. I own one, they're a bit better than the worst consumer ones, but not of

I recognize the meter used in that article, looks like a Dylos DC1100 Pro or similar. I own one, they're a bit better than the worst consumer ones, but not of the caliber I would expect for an article doing investigative research. You could certainly get a sense of "better/worse" but I'd be skeptical of any quantitative readings (I've seen mine be off by an order of magnitude or more)