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Sensirion Carbon Dioxide Gas Sensor IC for CO Detectors STC31-R3
Specifications
| Country of Origin | India |
|---|---|
| Accuracy | ±1.5°C |
| Brand | Sensirion |
| Response time | 14ms |
| Height | 1mm |
| Length | 3.5mm |
| Model | STC31-R3 |
| Width | 3mm |
| Maximum Operating Temperature | 85°C |
| Sub Type | Air Quality Sensor |
| Minimum Operating Temperature | -20°C |
| Gases Detected | Carbon Dioxide |
| Pin Count | 12 |
| Maximum Supply Voltage | 5.5V |
| Minimum Supply Voltage | 2.7V |
Key Features
- Utilizes CMOSens® Technology for integrated sensor and digital calibration on a compact CMOS chip.
- Operates on thermal conductivity measurement principle for reliable and stable CO2 sensing.
- Features digital I2C interface for seamless microprocessor integration.
- Ranges operating voltage between 2.7V and 5.5V for versatile power supply compatibility.
- Offers fast response time of 14 milliseconds ensuring timely gas detection.
- Compact dimensions measuring 3.5mm length x 3mm width x 1mm height enable easy PCB mounting.
- Supports operation within -20°C to 85°C temperature range for diverse environments.
- Extremely low power consumption suitable for battery-operated devices.
Product Description
Sensirion STC31-R3 Carbon Dioxide Gas Sensor IC is part of the STC3x series, offering high-volume, accurate measurement of CO2 concentrations ideal for CO detectors and air quality monitoring applications.
Designed with Sensirion's industry-proven CMOSens® technology, the sensor integrates the sensing element, signal processing, and digital calibration on a single small CMOS chip, facilitating mass production with high reliability and long-term stability.
The sensor employs thermal conductivity measurement principle, delivering ultra-low power consumption and a fast 14ms response time, making it well-suited for battery-operated and mains-powered environments. Its digital I2C interface ensures ease of integration with microprocessors and controllers.
Measuring just 3.5mm in length, 3mm in width, and 1mm in height, the STC31-R3 sensor is compact and suitable for embedded applications. It operates reliably in temperatures from -20°C to 85°C and supports supply voltages from 2.7V to 5.5V.
Utilizes CMOSens® technology combining sensor element and digital calibration on-chip. Produces highly accurate and stable CO2 measurements with ±1.5°C accuracy. Fast response time of 14 milliseconds for prompt gas detection.
Ultra-low power consumption ideal for battery-operated devices. Compact footprint with 12 pins for versatile connectivity. Wide operating temperature range suitable for various industrial and commercial settings. Ensures consistent performance over long operational lifetime.
Suitable for environmental monitoring, HVAC systems, and safety gas detection. Quality and technology backed by Sensirion’s over 15 years of industry experience.
This sensor is recommended for applications in industrial automation, environmental and laboratory instrumentation, HVAC control, and safety gas detection systems. The STC31-R3 supports developing reliable, compact, and energy-efficient CO2 detection devices.
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Frequently Asked Questions
The accuracy of this model is ±1.5°C, ensuring reliable CO2 measurements.
This unit is designed to detect carbon dioxide (CO2) concentrations.
It has a fast response time of 14 milliseconds, allowing for prompt gas detection.
The sensor operates reliably within a temperature range of -20°C to 85°C.
The sensor measures 3.5mm in length, 3mm in width, and 1mm in height, making it compact for easy integration.
It employs CMOSens® technology, integrating the sensing element and digital calibration on a compact chip.
Yes, it has extremely low power consumption, making it ideal for battery-operated applications.
It is suitable for environmental monitoring, HVAC systems, and safety gas detection applications.
The country of origin for this model is India.
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