Aithre Inc

Shield 4.0 Portable CO Detector (Gen 2) - With iOS App - White

Sale price Price $150.00 Regular price $0.00 Unit price  per 

This is the second generation Shield 4.0 portable carbon monoxide detector and includes 3X battery life, a louder audible warning speaker, and control of the light indicator via the iOS app.  We've also added history tracking and exportable CSV files saved automatically to your iOS FILES folder after every trip.  


  • SENSITIVE: Under 30 second sensor response between 0 - 255 ppm with 1 ppm resolution
  • iOS Support: Aithre Connect App included, providing discrete and 4 hr history trend data plus popup and Siri notifications to your headset (when paired) when threshold CO levels are crossed
  • HISTORY STORED: Tracks your history within the app and automatically creates a CSV file in your iOS FILES app after every trip
  • INTUITIVE COLOR INDICATOR: Glowing 'A' logo of blue, amber, or red to visually indicate carbon monoxide ranges, controllable pulse/off/steady via the Aithre Connect app
  • AUDIBLE WARNING: Loud audio tone triggered above 50 ppm to warn of dangerous levels of carbon monoxide
  • TEMPERATURE INDEPENDENT: Internal temperature adjustment circuit that compensates for temperature induced errors in the sensor between -10 C to +50 C
  • COMPACT: Measures just 2 inches tall and weighs about an ounce
  • NO RECALIBRATION: State-of-the-art fuel cell electrochemical sensor requires no recalibration for 10 years under normal operating conditions
  • PRESSURE & ALTITUDE INDEPENDENT: The detector is not affected by pressure and altitude changes 
  • RECHARGEABLE: Includes custom charger that duals as a mount with extended battery life of around 30 hours
  • CLIP MOUNTED: Includes 2 clips for easy mounting in various locations like your aircraft and hangar
  • HAND-CALIBRATED: Every Aithre detector is individually calibrated using high precision calibration CO gas and comes with a signed certificate of calibration