The AERO 553 Multi-Function Carbon Monoxide (CO) detector is a panel mounted TSO Certified unit designed especially for use in both FAA certified aircraft and experimental aircraft. Designed to fit in, and replace a standard 2.25” (2 1/4”) standard instrument panel clock, the AERO 553 gives you a full set of clock, timer, temperature, cabin and density altitude functions along with highly accurate and extremely fast CO detection and PPM readings within the cockpit on an easy-to-read LCD display. Features Include:
All Guardian Avionics CO Detectors feature a One (1) Year Limited Warranty |
Per the manufacturer: Yes the CO guardian has a clock.
The unit comes calibrated from the manufacturer and can only be calibrated by the manufacturer. The installation/operators manual is included with this unit which outlines testing although, the only user executable test to be performed is the power-on self test.
The CO2 sensor wears out after 7 years from date of install.
Per the manufacturer the number is TSO-C48.
They can be recalibrated through Guardian directly.
We have added the installation diagram to the web page.