pSense Portable CO2 Meter

pSense Portable CO2 Meter
Regular price $229.00

POs or wholesale quantity discounts click here

Exciting Update! 

Carbon Dioxide Handheld Gas Detector

CO2Meter is delighted to announce that we have sunset the AZ-0001 pSense Portable CO2 Monitor and replaced it with the upgraded CM-501 Portable CO2 Handheld Gas Detector. The new CM-501 now includes a Li-On rechargeable battery, data logging to a micro SD card, and a large LCD display. 

Please visit the CM-501 product page to purchase this improved model. 

The CO2Meter Team

With up to 24 hours battery life and easy to use with gloves on, the pSense portable carbon dioxide meter works perfectly as a personal safety alarm unit in hazardous environments, or wherever carbon dioxide is produced, stored, generated and used. 360 degree view.

The large LCD readout gives a quick overview of the current carbon dioxide level and the 80 dB audible alarm calls for prompt attention when the short-term exposure safety limit is exceeded.

  • Our Top-Selling Portable CO2 Meter
  • Measures CO2, Temperature, Humidity
  • Includes International Power Supply
  • Save Money - Calibrate in Fresh Air


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.

This air quality CO2 meter data logger calculates statistical weighted averages of TWA (8 hour time weighted average) and STEL (15 minute short term exposure limit).

Optional Data Logger Kit

The optional data logger kit for Windows PC is perfect for students, scientists, researchers, or anyone who needs to record CO2 levels over time. Each reading (user-selected frequency) includes a date/time stamp for accurate analysis. Use the kit to record CO2 and temperature levels for an hour, a day, or even a month. Data can be viewed on screen or saved to an ASCII text data file that easily imports into a spreadsheet.

Optional Data Logger Kit

  • USB Data Cable
  • Software CD
  • Requires PC running Win2K/XP/Vista/7/8/8.1 with USB Port
  • Must be plugged into PC to log data


  • Measures: Carbon dioxide in PPM, temperature (F or C), % Relative Humidity
  • Sensing method: NDIR (Non-Dispersive Infrared)
  • Self-calibrating with fresh air
  • CO2 Measurement range: 0~9999 ppm (2001~9999 ppm over range)
  • CO2 Accuracy: ± 70 ppm, ± 3% of reading 
  • Battery Life: approx. 24 hours continuous reading
  • Alarm: Yes (80dB)


  • 120/220VAC adapter (power for long-term operation)
  • International Wall adapter kit
  • 4 AA Batteries
  • ABS Plastic case
  • Manual


  • 1 year - See CO2Meter Terms and Conditions.
AZ0001 AZ001 AZ0018 AZ018
  • Data Sheets

  • Manuals

  • Technical Documents

  • Videos

  • Additional Resources

Customer Reviews

Based on 3 reviews

pSense Portable CO2 Meter


The meter works well, the delivery was on time.

pSense Portable C02 Meter

Excellent unit. Received it fast. This is the second unit we've purchased from CO2 meter. Answered all my questions when I phoned and asked about it. We will buy from them again.

"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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