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.

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.

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.

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.

CO2Meter AZ-0004 Indoor Air Quality CO2 Meter, Temperature And Relative Humidity, White

CO2Meter AZ-0004 Indoor Air Quality CO2 Meter, Temperature And Relative Humidity, White

产品编号: 175681390

安全交易

细节

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

💧Humidity Precision

💨Real-time CO2 Tracking

🌡️Accurate Temp Monitoring

描述

🌿 Stay Ahead of the Air Game — Because Your Space Deserves the Best

PLUG PLAY SIMPLICITY - Instant startup with no setup—just plug into any wall socket and get real-time data immediately.
ELEVATE YOUR ENVIRONMENT - Perfect for home, office, or greenhouse—ensure optimal conditions for health, comfort, and growth.
TRIPLE PARAMETER INSIGHT - Simultaneously tracks CO2, temperature, and relative humidity for a comprehensive air quality snapshot.
BREATHE SMARTER WORK BETTER - Continuously monitors CO2 levels to keep your indoor air fresh and productivity high.
MAINTENANCE FREE RELIABILITY - Self-calibrating sensor with no moving parts means zero downtime and long-lasting accuracy.

The CO2Meter AZ-0004 is a sleek, white indoor air quality monitor that continuously measures carbon dioxide, temperature, and relative humidity. Featuring a self-calibrating sensor with no moving parts, it offers maintenance-free, accurate readings. Simply plug it into a wall socket for instant operation, making it ideal for homes, offices, and greenhouses seeking optimal air conditions.

K**R

Quest for better sleep. CO2 meter and Air quality meter to guide you in the right direction.

27.09.2016

L**S

Accurate. Saves settings when disconnected. An excellent CO2 Meter.

18.06.2018

N**B

Everything was packed well - no damage but easy to unpack

8.12.2014

K**S

Recommended

18.12.2025

B**Y

Perfect for my greenhouse!!

4.04.2013

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Manufacturer	CO2Meter
Item model number	7Z-RWZ2-K2NX
ASIN	B001PDGFR8

CO2Meter AZ-0004 Indoor Air Quality CO2 Meter, Temperature And Relative Humidity, White

细节

描述

规格

评论

常见问题