G150 CO2 Infrared Portable Gas Detector

The G150 CO2 gas detector is ideal for indoor air quality measurements, ventilation verification and process operations. The G150 infrared portable CO2 gas analyzer has improved software, the latest battery technology, USB data communications and flexible sensor options.In addition to carbon dioxide infrared based detection and measurement, each model offers optional sensors including oxygen, temperature and relative humidity. Infrared sensor technology is ideal for carbon dioxide detection as it offers accurate, reliable measurement with low maintenance costs.


  • Available in 4 versions, CO2 only, CO2 with oxygen, CO2 with oxygen and rH and CO2 and rH
  • Optional add on are a temperature probe and data download kit
  • Improved menu driven software with intuitive operation and interactive screen prompts
  • Large data storage – 1,000 data set capacity with optional USB download software kit
  • High capacity lithium-ion battery for up to 10 hours of runtime
  • Ergonomically designed case with integral stand and rubber sides for robustness
  • Stable infrared (IR) CO2 sensor provides better accuracy
  • Internal pump draws 100 cc/minute for fast response
  • Large backlit LCD display with graphic icons is easy to read in any lighting condition
  • User adjustable settings for alarm and calibration setpoints via keypad (no PC required)
  • User ID code setting for security and record keeping
  • Large data storage or 1,000 readings and 270 events viewable on screen
  • User friendly software and USB data download for data graphing and trend analysis (optional kit)
  • Integrated Nafion tube for humidity reduction of sample gas ensures stable readings
  • All models have 2 temperature probe ports for T1-T2 calculation


Range CO2: 0-10,000 ppm
O2, Optional: 0-100%
Resolution CO2: 5 ppm increments
O2: 0.1% increments
Response Time CO2: T90<20 seconds
O2: T90<60 seconds
Accuracy CO2: ±1% of range, +2% of reading
O2: ±1.0% full scale at constant temperature & pressure
Temperature, Optional Up to 2 readings using optional probes
32ºF to 122º
Humidity, Optional rH probe 0-100% rH, non-condensing
Pump Flow 100 cc/min typically
Data Storage 1000 reading + 270 events
Data Download USB type B mini connector, HD device class
Power Source Lithium-Ion rechargeable battery
Charger Universal AC charger, 120-240 VAC
Battery Life 10 hours, 8 hours with pump
Charge Time 3 hours
Alternative Power USB connector to PC
Operating Temperature 41°F to 104°F
Relative Humidity 0 to 95%
Dimensions 6.5″L x 4″W x 2.5″H
Weight 18 ounces
Construction High impact ABS Case

Ordering Information

Each G150 Infrared carbon dioxide monitor includes battery, charger, sample tubing, dust filter, operating instructions. For pricing, please call AFC International at 1-800-952-3293, 219-987-6825 or fax 219-987-6826 or email sales@afcintl.com

Catalog No.
G150 Infrared CO2 Monitor includes Pump, 0-10,000 ppm CO2
G150 Infrared CO2 Monitor with Oxygen Sensor and Pump, 0-10,000 ppm CO2
G150 Infrared CO2 Monitor with Oxygen, rH Sensor and Pump, 0-10,000% CO2
G150 Infrared CO2 Monitor with rH/T Probe & Pump, 0-10,000% CO2

Accessory Ordering Information

Catalog No.
Temperature Probe, 5mm tip G-TP5
Temperature Probe, 100mm SS tip G-TP100
Download Software for Managing Data G-SW
Relative Humidity Probe, 15mm diameter G-RH15
Relative Humidity Probe, 4mm diameter G-RH4
Soda Lime Kit for Zeroing, tubing plus 3 filters G-SLKIT
Hard Sided Case G-HCASE
Filter, pk/10 G-PTFE
Sample Tube Kit with Filter G-TKIT
USB Communication Cable G-USB
Calibration Kit includes regulator, tubing & filter, no gas G-CALKIT
Moisture Trap, pk/2 G-MT


G150 CO2 gas detector Literature
Viasensor was acquired by QED Environmental Systems.

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