AZ-0004 Indoor Air Quality CO2 Meter, Temperature and Relative Humidity, White

Q: What is the margin of error on this thing

As long as it reads 300 to 400 outside it gives me confidence that it is fairly accurate. And it Alway has stayed in that margin outside. In a dark room you can see the infa red pulse every few seconds and seam to adjust corispodingly. Hope that helps.

Q: Can this be used outside the US with 220v ?

Yes, absolutely. This device comes with a variety of plugs for many different types of sockets. It also supports 220v, I'm using it in Russia with 220v.

Q: Can this be used at 35 degrees F long term?

Specs show -10 C (14 F) as lowest operating temperature. My Use has been at room temperature.

Q: Does this unit have external sensors?if so how many,am looking for one to use specifically in a Greenhouse.

This unit does not have external sensors, it is however still working great for me. For remote sensing, you may want to look at Lascar brand. I use one of their USB models for remote temp and humidity tracking, I am very happy with it. I know they make some models that track C02 as well.

4.4/5

Product ID: 1204375

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Details

Color
White
Brand
CO2Meter
Item Weight
7.05 Ounces
Battery Description
No batteries
Mounting Type
Wall Mount

💧%RH: 20-99.9%

🌡️Temp: 0-120°F

🌬️CO2: 0-10,000ppm

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Description

🌱 Breathe Better, Live Better!

PLUG PLAY - Instantly operational with a simple wall socket connection.
BREATHE EASY - Stay informed about your indoor air quality.
VERSATILE USE - Perfect for home, office, or greenhouse environments.
SELF CALIBRATING - No moving parts means zero maintenance hassle.
REAL TIME MONITORING - Continuously tracks CO2, temperature, and humidity.

The AZ-0004 Indoor Air Quality CO2 Meter is a cutting-edge device that continuously monitors carbon dioxide levels, temperature, and relative humidity. With a user-friendly plug-and-play design and self-calibrating technology, it ensures accurate readings without the need for maintenance. Ideal for enhancing air quality in homes, offices, or greenhouses.