The NDIR infrared CO2 sensor provides a 3 V interface level for convenient integration with control boards, monitoring systems, and other electronic devices. The infrared carbon dioxide sensor can be integrated into HVAC systems, indoor air quality monitors, smart home devices, air purifiers, and environmental monitoring equipment. Its compact design and NDIR sensing technology make it a practical choice for OEM applications and developers looking for a stable CO₂ measurement solution for commercial, residential, and industrial environments.
Multiple Signal Output Options
- Dual Output Methods: Supports UART and analog voltage signal outputs, providing flexible signal transmission options for different monitoring and control systems.
- UART Serial Output: Enables digital data communication through the UART interface for convenient connection with MCUs and other control devices.
- Analog Voltage Output: Provides a linear analog voltage signal that can be easily connected to analog input systems for continuous gas concentration monitoring.
- Flexible System Integration: Multiple output options make the sensor suitable for integration into gas detectors, monitoring instruments, control systems, and OEM equipment.
High Sensitivity & Fast Response
- High Sensitivity: Offers high sensitivity to detect changes in gas concentration, providing reliable measurement performance for gas monitoring applications.
- High Resolution: Delivers fine measurement resolution for more precise detection of gas concentration changes.
- Fast Response Time: Responds quickly to changes in gas concentration, enabling real-time monitoring and timely detection.
- Low Power Consumption: Designed for energy-efficient operation, making it suitable for continuous monitoring and embedded gas detection systems.
Applications
A CO2 Gas Sensor can be used in a wide range of applications where carbon dioxide concentration needs to be monitored, controlled, or analyzed. Common application fields include:
- Greenhouses & Agriculture: Monitoring and controlling CO₂ concentration to support plant growth and improve greenhouse environmental management.
- Laboratories: Suitable for laboratory equipment and environmental monitoring systems requiring accurate CO₂ measurement.
- Food & Beverage Industry: Used for monitoring CO₂ levels during food processing, beverage production, packaging, and storage.
- Medical & Healthcare Equipment: Integrated into certain respiratory and patient-monitoring equipment where CO₂ measurement is required.
- Automotive & Transportation: Used for monitoring cabin air quality in vehicles, buses, trains, and other enclosed transportation environments.
Greenhouses & Agriculture
Laboratories
Food & Beverage Industry
Automotive
| Model | SISCO-GS-CO2-410D |
| Detection Gas | CO₂ |
| Working Voltage | 3.6–5 VDC |
| Average Current | < 85 mA |
| Interface Level | 3 V |
| Measuring Range | 0–10% VOL |
| Output Signal | UART / Analog Voltage Signal |
| Preheat Time | 3 min |
| Response Time | T90 < 30 s |
| Working Temperature | -20°C to 60°C |
| Working Humidity | 0–95% RH (Non-Condensing) |
| Dimensions | Φ20 * 22.6 mm |
Measurement Range and Accuracy
| Target gas | Measuring range | Accuacy | Mark |
| Carbon | 0~2000 ppm | ±(50 ppm＋5% reading value) | Temperature compensation |
| 0~6000 ppm | |||
| 0-1% VOL | |||
| 0-3% VOL | |||
| 0-5% VOL |
Dimension
Q1: What is a CO2 sensor?
A1: A CO2 sensor is a device used to measure the concentration of carbon dioxide in the air. It converts the detected CO₂ concentration into an electrical signal that can be displayed or processed by a monitoring or control system. CO₂ sensors are widely used in indoor air quality monitoring, HVAC systems, industrial equipment, greenhouses, and environmental monitoring.
Q2: How does a CO2 sensor work?
A2: SISCO CO₂ sensors use infrared sensing technology, particularly Non-Dispersive Infrared (NDIR) technology. The sensor measures how much infrared light is absorbed by carbon dioxide molecules in the air. The amount of infrared absorption is related to the CO₂ concentration, allowing the sensor to calculate and output a corresponding reading.
Q3: Can a CO2 sensor be integrated into an existing system?
A3: Yes. Many CO₂ sensor modules are designed for integration into larger systems and electronic equipment. Depending on the specific model, available communication or output interfaces may include UART, PWM, analog output, or other digital interfaces. Users should check the sensor's specifications to ensure electrical and communication compatibility.
Tips: Is the infrared CO2 sensor suitable for industrial CO₂ monitoring?
Yes. SISCO infrared CO₂ sensor is designed for industrial CO₂ monitoring and can be integrated into industrial process control, safety protection equipment, HVAC and refrigeration systems, agricultural monitoring, and other continuous CO₂ detection systems. Its NDIR sensing technology provides selective CO₂ measurement, while the 0–10% VOL measuring range, T90 < 30 s response time, and -20°C to 60°C operating temperature range support applications where CO₂ concentrations can be higher than typical indoor air levels.
The sensor also supports UART and analog voltage outputs, allowing integration with microcontrollers, controllers, data acquisition systems, and industrial monitoring equipment. Its compact Φ20 × 22.6 mm design further makes it suitable for OEM equipment where installation space is limited. For industrial installations, the sensor should be operated within its specified temperature and humidity range and integrated according to the applicable safety and system requirements.
Thank you for buying industrial test and measurement equipment on SISCO.com, all products sold by SISCO and the partner cover a 12 months warranty, effective from the date of receiving the products.
What is covered?
SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.
What is not covered?
- Product purchased from anyone other than a SISCO store or a SISCO authorized reseller.
- Expendable parts.
- Routine cleaning or normal cosmetic and mechanical wear.
- Damage from misuse, abuse or neglect.
- Damage from use of parts other than SISCO approved.
- Damage from use outside the product’s usage or storage parameters.
- Damage from use of parts not sold by SISCO.
- Damage from modification or incorporation into other products.
- Damage from repair or replacement of warranted parts by a service provider other than a SISCO authorized service provider.
- Damage caused by the application environment not meeting the product usage requirements and the failure to perform preventive maintenance.
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