Temtop M2000 2nd Generation Air Quality Monitor for PM2.5 PM10 Particles CO2 HCHO Temperature Humidity Settable Audio Alarm Data Export Recording Curve Easy Calibration

I'd tried a few meters before this. They were all rubbish. This one actually seems to work correctly though. I can zero calibrate it outside, and see levels rise in poorly ventilated spaces within a few minutes as the device adjusts. And going outside and measuring it returns to basline levels. This alone is better than any of the other devices I've bought and gives me great peace of mind that it is actually likely to be detecting co2 accurately. if nothing else this device is precise and consistent. Great product, I'll be trusting Temtop from now on, they've won my approval with this product.

Pour l'instant, il fonctionne très bien et semble donner des résultats proches de la réalité lorsque je compare la pollution avec le site météo. En tout cas à ce qui a trait avec les fines particules.Il est très sensible, il y a une rôtie qui a brulé légèrement et j'ai obtenu plusieurs alarmes, CO2, fines et plus grosses particules étaient rendues très élevées.Aussi, excellente communication avec le vendeur.

Es justo lo que necesitaba, obtengo mediciones de CO2 en el laboratorio.El equipo crea un Excel diario y registra los valores cada 30 minutos, se conecta a la computadora y se extraen los archivos.

Perfect for reliable accurate measurements of in or outdoor air quality. Necessary in an age of wildfire smoke and other pollution. Paired it with a HEPA air filter. Measures VOC's, CO2, and PM 10's and PM 2.5"s. C02 great for small rooms full of people, feel drowsy, high CO2 is likely why. This unit displayed the drop in PM particulates in real time as the HEPA filter ran. It also warned of awful wildfire smoke that was bare apparent without the unit. On a commercial aircraft unit displayed CO2 level of 2500, a level violating OSHA and worse, fully capable of making pilots drowsy and slowing their reaction times.

Como se utilizo para el trabajo, se lo dimos al personal y al utilizarlo no daba bien las lecturas, asi que optamos por primero enviarlo a calibrar con un proveedor, el cual concluyo que no se podia calibrar este medidor.Por temas de tiempos, ya paso el tiempo limite para hacer la devolucion, mas no lo recomiendo por no llegar calibrado, no se si asi lleguen todos o nos toco mala suerte, mas creo que la garantia deberia de ser de 1 año para cambiarlo, mas ya no me permiten.