| Detailed Description | The carbon dioxide gas sensor (hereinafter referred to as the sensor) is a general-purpose intelligent miniature sensor available in both pin and terminal versions. It utilizes the non-dispersive infrared (NDIR) principle to detect CO2 in the air, exhibiting excellent selectivity, oxygen independence, and long lifespan. It features built-in temperature compensation and offers both serial port and PWM output for ease of use. This sensor is a high-performance device created by tightly integrating mature infrared absorption gas detection technology with precise optical path design and sophisticated circuit design. |
| Main Applications | HVAC equipment, air quality monitoring equipment, fresh air conditioning, air purification equipment, smart home, schools |
| 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 | -10℃～50℃ |
| Operating Humidity | 0–95% RH (non-condensing) |
| Storage Temperature | -20℃～60℃ |
| Weight | 5 g |
| Life | >10 years |
| Features | High sensitivity, low power consumption, and excellent stability Temperature compensation, excellent linear output 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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