Avcraft Engineering | Aithre Shield 4.0 Carbon Monoxide Detector
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Aithre Shield 4.0 Carbon Monoxide Detector

NZD$245.00 Exc GST

The Aithre Shield 4.0 auto-pairs to your iOS device using the free Aithre Connect app. Readings are collected and graphed in the background and Siri notifies you via your iOS-paired headset when thresholds are crossed. In addition to the app, the Aithre Shield 4.0 itself also has a glowing light indication of the CO levels and an alarm that is triggered at 50 ppm. The Shield 4.0 portable detector is sensitive and responsive at the lowest levels of CO gas between 0 and 255 ppm to detect and manage CO before it becomes an emergency. With no recalibration required for 10 years, you’ll enjoy many years of safe flying with the Aithre Shield 4.0.


Under 30 second sensor response between 0 – 255 ppm with 1 ppm resolution

iOS: Aithre Connect App integrated, providing trend data plus popup and Siri notifications to your headset (when paired) when threshold CO levels are crossed.
Click Here for the Apple App Store for Aithre Connect

Temperature Independent:
Internal temperature adjustment circuit that compensates for temperature induced errors in the sensor between -10 C to +50 C

Measures just 2 inches tall and weighs about an ounce

No Recalibration:
State-of-the-art sensor requires no recalibration for 10 years under normal operating conditions

Pressure & Altitude Independent:
The detector is not affected by pressure and altitude changes

Includes a custom charger that duals as a mount and that allows charging during use via USB.

Clip Mounted:
Includes 2 custom clips for easy mounting in various locations like your aircraft and hangar

Every Aithre detector is individually calibrated using high precision calibration CO gas and comes with a signed certificate of calibration