Why Does My CO₂ Monitor Spike When People Enter the Room?
Breath is 40,000 ppm. A person within a meter of the sensor can add hundreds of ppm in seconds.
Read Article→Learning Center
Plain-language explanations of the measurements, sensors and numbers behind environmental monitoring.
Does Opening a Window Always Lower CO₂?
Usually, but how fast depends on wind, temperature difference and where the air can go.
Read Article→Why Does Indoor CO₂ Rise Overnight?
Closed doors, sleeping people and no ventilation: why bedrooms hit 2,000 ppm by morning.
Read Article→CO₂ vs CO: What’s the Difference?
One is a ventilation indicator; the other is a poison. Different gases, different detectors.
Read Article→How to Calibrate a CO₂ Monitor
Automatic baseline correction, manual fresh-air calibration and when each is needed.
Read Article→NDIR vs Metal Oxide Sensors: Which CO₂ Monitors Actually Measure CO₂
Why an eCO₂ reading can be off by a thousand ppm and how to spot one.
Read Article→How to Measure Solar Panel Output
Voc, Isc, Pmax and irradiance: the four readings that prove a panel.
Read Article→PM2.5 vs PM10: What’s the Difference?
Particle sizes, where each comes from and which one your monitor should track.
Read Article→How Do CO₂ Monitors Work? A Simple Guide
NDIR, photoacoustic and estimated eCO₂ explained without the physics degree.
Read Article→What Is a Good Indoor CO₂ Level?
The ppm bands, where they come from and what to do at each one.
Read Article→What Is CO₂ and Why Does It Matter?
The gas, the numbers and why an indoor reading is worth watching.
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