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The CO208 dual-channel infrared carbon dioxide sensor is a dual-channel NDIR sensor. The development of the dual-channel technology is based on the unique absorption characteristics of CO₂ gas. The signal of the measurement channel varies with changes in CO₂ concentration, while the signal of the reference channel is affected only by sensor drift. The reference channel performs real-time compensation for the measurement channel, ensuring stable and reliable measurements during long-term operation.
CO206 is a single-channel NDIR infrared CO2 sensor, favored by customers for its stable performance, cost-effectiveness, and reliability over many years of market testing.