The Indoor Air Quality CO2 Monitor, is a smart indoor air solution for real-time monitoring of carbon dioxide (CO2), temperature, relative humidity, and air pressure via the app.

Designed for homes, offices, classrooms, and greenhouses, this compact and accurate indoor air quality device helps you increase concentration, mitigate airborne viruses, improve cognitive function, and create healthier indoor air spaces.

👉 Not sure which IAQ monitor you need? Take our 2-minute quiz to find your perfect product match and recommendation.

Why Choose the CM-INK-1?

Promotes better indoor air and ventilation awareness
Helps reduce fatigue, drowsiness, and airborne contaminant buildup
Provides trends, alerts, and smarter ventilation decisions right from your phone app
Ideal for allergy sufferers, families, and professionals working indoors

You can download the App - the official mobile application for managing your CM-INK-1 Indoor Air Quality Monitor, directly from the App Store or Google Play Store.

Features

Measures Carbon Dioxide: (CO2) levels to help prevent poor ventilation and reduce health risks. (<1000ppm (GOOD), 1000-1400ppm (MEDIUM), >1400ppm (BAD).
Temperature & Humidity Sensor: Tracks indoor climate conditions with real-time readings to improve comfort and air quality.
Bright, Easy-to-Read Display: Large digital screen shows CO2 concentration (ppm), temperature (°C/°F), and relative humidity (%).
Remote Connectivity and Data Monitoring: Remote connectivity and monitoring via Bluetooth 5.0, with a barrier-free 328ft/100m connection distance.

ABOUT CO2 STORAGE SAFETY CODES

This device will NOT meet requirements for CO2 safety monitoring which requires a Fixed/Wall mounted, hard-wired alarm per the NBIC, NFPA, or IFC regulations. Refer to our CO2 Safety Products page for devices that meet your needs.

Call us at (877) 678-4259 toll-free or email us to speak with our technical sales team about purchasing the correct device.

Specifications

CO2 Measurement Range: 0-9999ppm
CO2 Sensing Technology: NDIR (non-dispersive infrared)
CO2 Threshold: Customizable
CO2 Indicator: Color Progress Bar
Accuracy: ±(30ppm+3% of reading)
Data Transmission: 1, 2, 5, or 10 minutes (default 1 minute)
Temperature Range: 32~122°F ( 0-50℃)
Relative Humidity: 0 ~ 85% RH
Alarm: Only sound (no visual)
CO2 measurement calibration: Automatic or Manual (at 420ppm)
Operating environment: Indoor Use
Data protection: Data encryption
Display: Date, Clock, Battery, CO2, Temp, %RH, Pressure
Screen Size: 2.13 inches
Screen: Electronic ink display
Lifespan (Battery Life): up to 4 years
Power Supply: 2 AA Alkaline batteries / 3V DC
Dimensions: 2.95 x 3.15 x 1.30 (in) / 75 x 80 x 33 (mm)

Bluetooth:

Bluetooth Distance: 328 feet / 100 meters without barriers
Bluetooth Version: Bluetooth 5.0
Sampling Interval: 1min/2min/5min/10min (default 1 minute)
Device Storage: 30 days of offline data

Includes

CM-INK-1 IAQ CO2 Monitor
2 AA Alkaline Batteries
User's Manual and Quick Start Guide

Warranty

1 year - See CO2Meter Terms and Conditions

Documents

Data Sheet (pdf)

Manual (pdf)

CO2Meter IAQ Comparison Chart (pdf)

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