High CO₂ concentrations can harm human health, but many people have misconceptions about using detectors. Using a carbon dioxide detector correctly protects your respiratory safety.
❌ Misconception 1: CO₂ only exceeds the standard in industrial settings; homes/offices don't need testing?
✅ Correction: The probability of CO₂ exceeding the standard is not low in enclosed spaces such as homes and offices, requiring regular testing.
✅ Reason: The normal range for CO₂ in all indoor settings should be below 1000 ppm. At the same time, the risk of exceeding the standard is high in industrial settings, and concentrations in enclosed spaces such as homes and offices, especially when crowded and poorly ventilated, can easily exceed the threshold. Long-term exposure to such environments can have certain health effects.
❌ Misconception 2: The detector doesn't need calibration after purchase and can be used indefinitely.
✅ Correction: The detector needs regular calibration; otherwise, the readings will be inaccurate. Regular calibration is recommended.
✅ Reason: The core sensor components of the detector can drift with use, leading to inaccurate readings. It is recommended that CO₂ detectors be calibrated at least once per quarter to avoid safety hazards.
❌ Misconception 3: The higher the detected value, the greater the harm; ignore concentration grading?
✅ Correction: CO₂ hazards are related to concentration grading; judgment must be made based on the grading, not just the numerical value.
✅ Reason: CO₂ concentration grading standards: 0-1000 ppm is normal; 1000-1500 ppm is slightly excessive, requiring ventilation; 1500-5000 ppm is moderately excessive, requiring immediate ventilation and investigation; >5000 ppm is severely excessive, endangering life. Within the same grading, there is no significant difference in hazard between values.
❌ Misconception 4: Opening windows for ventilation eliminates the need for a detector and long-term monitoring.
✅ Correction: Opening windows for ventilation only temporarily reduces concentration and cannot cover all scenarios; long-term monitoring is necessary.
✅ Reason: Opening windows for ventilation is limited by the environment and season, and cannot provide 24-hour coverage. Poor ventilation in some houses can also lead to CO₂ accumulation. The core function of the detector is to provide real-time warnings, especially protecting the respiratory health of sensitive populations.
Users should check their own usage habits, avoid the above-mentioned misconceptions, and use and calibrate the detector correctly and properly. With proper ventilation, this will help build a strong respiratory safety barrier and prevent CO₂ from exceeding safe levels.
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