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Did you know?

Altitude makes a difference when you are measuring CO2 levels. CO2 sensors are calibrated at sea level and are not designed to automatically compensate for higher altitudes.

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Air Particle Counter Sensors use Lasers to Detect PM2.5

Optical particle counters use lasers to detect particulate matter in the air. How do they work?

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Lawrie Bruton,
President
Bruster PHC

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