There is some backwards compatibility:

  • Ax60+ CO2 sensor units CAN be used with both Ax60 and Ax60+ central displays.
  • Ax60 sensor units CAN ONLY be used with Ax60 central displays.
  • Oxygen sensors CAN ONLY be used on the Ax60+ central displays.

See table below for reference:

Ax60 Central DisplayAx60+ Central Display
Ax60 CO2 Sensor
Ax60+ CO2 Sensor
Ax60+ O2 Sensor