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K30 10,000ppm CO2 Sensor

K30 10,000ppm CO2 Sensor
Regular price $85.00

POs or wholesale quantity discounts click here

The K30 10,000ppm Sensor Module is intended to be built into different host devices that require CO2 monitoring indoors. It is an accurate, proven, low-cost solution for OEMs who want to integrate CO2 sensing into their products.


  • Perfect for residential, commercial, industrial HVAC or IAQ applications
  • Simple to install, pre-calibrated and ready-to-use
  • Proven reliability, low cost
  • maintenance free in normal applications
  • flexible analog and digital outputs

CO2Meter recommends that all first time users of this sensor purchase the CM-0024 Development Kit for the fastest and easiest results.


SE-0018 K30 10,000ppm CO2 Sensor Only - for integration into high-volume OEM products. 

CM-0024 10,000ppm CO2 Sensor Development Kit - Easy to use, simply plug the sensor module into your PC via USB. Use our free GasLab® software to measure and graph carbon dioxide or to configure the sensor or for data logging.

SE-0018-C Customized K30 CO2 Sensor -  allows you to order custom analog or digital outputs for your application. After ordering, email or fax the Custom Outputs PDF form under the Documents tab and we will custom-configure your sensor’s settings. See the form for detailed instructions and available options. If the form is not received, your sensor will be delivered with the default specifications.


CO2Meter recommends that all first time users of this sensor purchase the CM-0024 Development Kit for the fastest and easiest results.

  • CO2 Measurement: non-dispersive infrared (NDIR)
  • Measurement Range: 0 – 10,000 ppm (0-5,000 ppm within specifications)
  • Rate of Measurement: every 2 seconds
  • Response Time Diffusion: 20 seconds
  • Response Time Sample Draw: 2 seconds @ .5 l/min tube gas flow
  • Warm-up Time: < 1 min. (@ full specs < 15 min)
  • Outputs. 2 analog, 2 digital
  • Scalable Analog voltage outputs
  • Each digital output has threshold and hysteresis 
  • Programmable Range: 0-10,000 ppm (custom configuration required)
  • Repeatability: ± 20 ppm ± 1 % of measured value within specifications
  • Accuracy: ± 30 ppm ± 3 % of measured value within specifications
  • Sensor Life Expectancy: > 15 years
  • Maintenance Interval: no maintenance required
  • Self-Diagnostics: complete function check at startup
  • ABC (Automatic Background Calibration) enabled unless specified

Conforms with Standards

  • Emission: EN61000-6-3:2001
  • Immunity: EN61000-6-2:2001
  • RoHS directive 2002/95/EG

Electrical / Mechanical

  • Dimensions: 51 × 57 × 14 mm (Length x Width x approximate Height)
  • Power Input: 5.5-14 VDC, stabilized to within 10% (external protection circuits required)
  • Current Consumption: 40 mA average
  • Sampling Method: diffusion (tube cap optional)


  • 90 days - See CO2Meter Terms and Conditions. 

Datasheet Data Sheet & Manual (pdf)

Quick Start Guide Development Kit Quick Start Guide (pdf)

CO2 sensor drawing Dimensional Drawings (pdf)

Senseair ISO Certification Senseair ISO Certification (pdf)

Communication Protocols Manuals (zip)

Sensor Calibration Procedure (pdf)

 Troubleshooting Arduino or Raspberry Pi (pdf)

 Labview Examples for SenseAir K-30 (zip)

 Interfacing Raspberry Pi to K30 Sensor via UART (pdf)

 Web Application Using PHP and K30 DevKi (pdf)

Raspberry Pi UART Sample Code (zip)

 Interfacing Arduino to K30 Sensor via UAR (pdf)

Arduino UART Sample Code (ZIP)

 Interfacing Arduino to SenseAir K30 Sensor via I2C

Arduino I2C Sample Code (ZIP)

Custom Output

Output Configuration Options (pdf)

Custom Outputs E-Mail Form
1. Right-click the icon above and save to your hard drive.
2. Open PDF and enter your values in the fields. Save.
3. Please specify in the form if you wish the ABC
(Automatic Background Calibration) on or off.
4. Please specify in the form if you want to program the
sensor for communication with RS-485.
5. Email as an attachment to and reference your order code.
6. Select K30 1% Custom and complete your order.

Free Easy-to-use GasLab™ Software

This device uses GasLab® software for setup, calibration, data logging, and real-time data analysis. GasLab® makes it easy to export data into a .CSV file that can be imported into any industry-standard software or spreadsheet. GasLab® runs on Windows XP or higher, and free to use with our products.

Download Latest Software Here

k30 k-30 SE-0018 SE0018 SE018 SE18 Senseair SenseAire
  • Data Sheets

  • Manuals

  • Technical Documents

  • Videos

  • Additional Resources

Customer Reviews

Based on 10 reviews
CO2 Sensor & Software
Testing K30 10,000ppm CO2 sensor

"Easy to install, easy to set up, and easy calibration - just what I was looking for."

- Phillip Farrar
Water Plant Superintendent

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