Support centre

Device

True CO₂ sensing

Interpret SCD40 carbon-dioxide measurements as ventilation context.

Before you start

Check these first.

  • Check power before changing wiring
  • Identify the affected component
  • Compare the local dashboard with device status

Step-by-step

  1. 01

    Check

    Read CO₂ in ppm together with its timestamp and recent trend.

  2. 02

    Confirm

    Look for sustained increases during occupancy rather than reacting to one point.

  3. 03

    Verify

    Use the Classpere recommendation to consider fresh-air circulation and room conditions.

What success looks like

Staff can connect the CO₂ trend with classroom ventilation conditions.