How does a cheap Chinese meter hold up against the top-tier Swiss IQAir AirVisual air quality monitor? It’s a bit like Dacia vs Lexus. Dacia, meaning cheap and good enough (nothing to write home about, but gets the job done). Below you’ll find videos and a table with my rating of the Dienmern DM125 monitor.
In short: Dienmern is good enough for home use. For pro work, the measurement accuracy could be a bit better, but at this price for home use, it’s practically a steal. Further down the article is a table where
Below is a link to the Dienmern DM125 monitor purchased on AliExpress, where it’s exceptionally cheap even around 200 PLN! (compared to other platforms) For what this monitor delivers, it’s a bargain.
Update: the DM125 offer on AliExpress has expired. I use this 8-in-1 Tuya WiFi monitor instead and find it good enough to recommend as an alternative to the DM125: Amazon.pl | AliExpress
![8-in-1 Tuya WiFi monitor recommended as an alternative to the DM125.](http://ae01.alicdn.com/kf/S4b3a8a768b9f4223a5da57b0f8866607S.jpg_140x140.jpg")
| Scale 1-10 | Comment – data | |
| Name | Dienmern DM125 | |
| Temperature measurement | 7 | Measurement resolution down to whole degrees |
| Humidity measurement | 9 | Reportedly +/-4% accuracy |
| CO2 carbon dioxide measurement | 10 | |
| PM2.5 particulate measurement | 5 | |
| Measurement visualization | ||
| User recommendations, meaning data analysis by the monitor | 6 | Recommendations are a bit unintuitive and based on “Asian” air quality standards |
| Manufacturer support | 2 | No manufacturer website, forum, only |
| Historical data | 4 |
Historical data can only be viewed on the monitor itself. It is a bit unintuitive |
| Remote access | 0(7) | Current versions feature Wi-Fi connectivity and Tuya app ) |
| Battery life | 9 | over 8 hrs on battery! At high brightness – a very good result |
| Noise | 5 | You can only hear the monitor’s fan in complete silence. There is a quiet humming. During the day it doesn’t bother you, but being up close, the hum might get annoying |
| Build quality Durability | 6 |
It’s fine, nothing crazy, built properly. Gives the impression of a reasonably solid piece of kit. A good Dacia among monitors 😉 |
| Power consumption | 8 | 2.5-3 W during battery charging and operation |
The one I recommend, hands down the best (hard to find in stock because it is niche): IQAir AirVisual Pro on Amazon.pl.
Full review: IQAir AirVisual Pro air quality monitor review after 4 years
🔗 See also
💧 The purifier-humidifier I recommend
Philips PureProtect Water 3400 – an air purifier and a humidifier in one. Usually cheapest on Amazon, especially before the season and at the start of it: Amazon. Review: Philips PureProtect Water 3400 air purifier and humidifier.
The Amazon link is an affiliate link: if you buy through it I get a small commission, and the price for you does not change.
Leave a Reply