| Detailed Description | The carbon dioxide gas sensor (hereinafter referred to as the sensor) is a general-purpose intelligent small sensor that uses the principle of non-dispersive infrared (NDIR) to detect CO2 in the air. It features excellent selectivity, no oxygen dependence, and long lifespan; it has built-in temperature compensation; and it also has serial port output and PWM output for ease of use. This sensor is a high-performance sensor made by closely combining mature infrared absorption gas detection technology with precise optical path design and excellent circuit design. |
| Main Applications | Smart home, air quality monitoring equipment, fresh air system, air purification equipment |
| Detecting Gas | Carbon dioxide |
| Molecular Formula | CO2 |
| Power Supply Voltage | DC (5.0 ± 0.1) V |
| Average Current | <40 mA (@5V power supply) |
| Peak Current | 125 mA (@5V power supply) |
| Interface Level | 3.3 V (compatible with 5 V) |
| Measurement Range | Available in the range of 400~10000 ppm. |
| Output Signal | Serial port (UART) (TTL level 3.3 V); PWM |
| Preheating Time | 1 min |
| Response Time | T90 < 120 s |
| Operating Temperature | 0℃～50℃ |
| Operating Humidity | 0–95% RH (non-condensing) |
| Storage Temperature | -20℃～60℃ |
| Weight | 5 g |
| Life | >5 years |
| Range | 400–2000 ppm 400–5000 ppm 400–10000 ppm |
| Resolution | 1 ppm |
| Accuracy | ±(50 ppm + 5% reading) |
| Features | High sensitivity, low power consumption Excellent stability Temperature compensation, excellent linear output Provides serial port (UART), PWM waveform and other output methods Long service life Resistant to moisture interference and non-toxic |
| Note | Detection ranges and response times (T90) may vary by model and target gas. For custom configurations or OEM requirements, contact our technical support team. |
Eata Sensors is your strategic partner in precision sensing technology. We offer a full range of advanced sensor products, core components, and customized engineering services. We collaborate with global clients to jointly solve complex measurement challenges.
For industrial/research use only. Not for personal/medical use.
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Eata Sensors is your strategic partner in precision sensing technology. We offer a full range of advanced sensor products, core components, and customized engineering services. We collaborate with global clients to jointly solve complex measurement challenges.
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