Author Topic: The difference of WH45C vs ZY_WH45A  (Read 123 times)

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Offline Kaktus3389

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The difference of WH45C vs ZY_WH45A
« on: January 05, 2023, 01:52:08 PM »
What is the difference between the above sensors? Links from both lead to the same page
I am thinking of buying a WH45 sensor for my Steinberg SBS-WS-500 station, but the above described as Indoor, and I would like one outside to be mounted on a mast next to the weather station.
Is there a PM2.5 PM10 Air Quality CO2 sensor that would work with my station and be outdoors?
Steinberg SBS-WS-500
Technoline WS 2800

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Re: The difference of WH45C vs ZY_WH45A
« Reply #1 on: January 05, 2023, 02:06:41 PM »

Unfortunately, Ecowitt currently only offers one air quality sensor for outdoor use: the WH41.
Unfortunately, it only measures PM2.5 and not PM10 and can only be used outdoors to a limited extent (e.g. protected from the rain under a transparent roof).
You can actually do without a CO2 measurement outside - the values hardly change.

I am still hoping for a new outdoor sensor for air quality that is perhaps waterproof, measures other parameters besides PM10 (e.g. Ozone (O3), carbon monoxide (CO) and sulphur dioxide (SO2)) and is powered by a power supply unit or at least an external solar panel. So far, however, there has been no announcement on this.