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Radiant Technology CO PRO ™ Carbon Monoxide Monitor + Digital G-Meter

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Part# 10-07470
MFR Model# FSP-22-GCO


CO Prois a new generation product in Radiant Technology’s robust line of avionic and sensor tech instruments. CO Pro™ is a Carbon Monoxide detector and G-Meter all in one. Designed for pilots and aviation enthusiasts, the portable detector features two primary interfaces¬–one with continuous CO graphing capability and the other showing a G Meter (which also shows CO levels in background). The G Meter needle has a persistence feature as well, showing the range of G values the unit has experienced. The unit has an audible alarm and is battery powered up to five hours on a single charge (rechargeable with USB) and over 10 hours when the screen is dimmed.

CO Pro™ updates Radiant’s carbon monoxide safety product line with brilliant new features. The ability to see CO levels trend over time provides better information than old fashioned, static display digital monitors. This increases pilot and passenger comfort and also helps to determine what might have happened. For instance, a change in engine noise associated with an observable graph rise in CO levels might be associated with a new crack in an exhaust system.

See the Changes in CO Level The seminal feature of CO Pro™ is the Carbon Monoxide graphing feature which allows pilots to see the current CO level, all calibrated and displayed in accordance with FAA recommendations. As a result, any change in CO level is seen as a change on the graph along with a change in the digital value of CO. A flashing trend alert arrow, an aural alarm which triggers at 41 PPM, and danger icon that turns red at 100 PPM, completes the set of CO indications (graph showing history of CO levels, digital CO value, warning indicators, and aural alarm). The FAA recommends a yellow alert at 21PPM, and a red alert at 41PPM. This product is engineered to match those values with color indications on the graph and in the digital values. A G-Meter is also included which shows up to +/- 6 g’s in a familiar dial format, along with digitally presented minimum, maximum, and needle trend (persistence) history.

The design philosophy behind adding a G-Meter is that many pilots want a G-Meter, but few have one. The G-Meter may be thought of as a ‘screen saver’ for the primary CO monitoring feature. When in G-Meter mode, digital CO values are always displayed, and the product will automatically revert to CO graphing and alarming if CO values rise above 40 PPM.
California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm -


  • CO Sensor display 0 to 100 PPM (FAA recommends RED alert @ 41PPM)
  • Predicted 10 years CO sensor life (per sensor company supplied documentation)
  • CO value presented in graph and digital format (showing current and maximum values)
  • Optional ‘Holster’ is available which allows panel mounting in any 3 1/8” hole. As the unit has a self contained battery, wiring into the aircraft is not required.
  • Aural loud alarm when CO level is over trigger value
  • Trend alert arrow flashes, revealing increasing CO levels.
  • Red danger icon appears as danger increases
  • Digital readouts turn red at 41 PPM. If using G-Meter, screen switches to CO mode automatically.
  • G-Meter in dial and digital form
  • Continuous G, Minimum G, Maximum G
  • G Needle Trend (persistence)
  • Battery Operated; rechargeable via USB (cable included)
  • Brilliant color LCD screen


  • Size of 0.75” x 2 5/16” x 2 7/8” (19 x 59 x 73mm)
  • Weight of 2.1 ounces (60 grams)
  • Screen measurement of 2.5 inches diagonal (63.5mm)
  • Lithium battery, 500mah capacity
  • Runtime of about 5 hours per charge on bright, 10+ hours on dim
  • USB charging port, with included USB charging cable (charger not included, attach to any port)
  • Daylight readable screen
  • On / off switch
  • Operating temperature of -20 to +45 C


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I got this device as I was curious about the CO levels during various phases of the flight. Due to its portability, I found that CO levels at “nose” level are well within acceptable levels, whereas in the footwell side pocket the levels breach 40ppm. Battery life is great, display is good, alarm is nice and loud (even with noise cancelling headset). Note that if you switch between CO and g-meter, you loose all history on CO levels. Also, you only have the data on the screen as history, you cannot scroll back post-flight. Highly recommend - I should have bought the mounting bracket - and beats any other CO device by far. Portability is a big plus - able to measure anywhere in the cockpit (eg rear passengers).

Jaap S Verified Purchase


December 25, 2023

Kristjan A Verified Purchase


September 28, 2023

One of the best things Ive bought lately. I just test flew with it and discovered my CO is exceptionally low, except when taxiing down wind. Great peace of mind. 3D printed case isnt great but it makes up for it in function.

August 18, 2023

Nice compact unit. Easy to see screen and loud audible warning. Unfortunatly does not deserve 5 stars as the 3D casing and cheap buttons do not reflect the pricing. It works though and that is what its all about.

Dean W Verified Purchase


June 29, 2023


Please note,'s personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Can this Co Pro unit operate while charging from a USB source or spare battery?

Per Radiant, yes it can run and charge at the same time.

Q: How does this unit mount in aircraft or on the dash? Is the mount supplied with the unit?

No mounting holster is included.

Q: Is there a way to attach to a ram clamp?

The manufacturer does not know of a way to attach this to the ram system.