Carbon Monoxide (CO) gas sensing provides MEMS technology, 5ppm to 5000ppm detection range, high sensitivity, low power consumption, fast response and recovery, simple driving circuit, suitable for Carbon Monoxide leak detection for residential or industrial purposes.
Specifications
Model |
ATO-GM-702B |
Product Type |
MEMS Gas Sensor |
Standard Package |
Ceramic |
Detect Gas |
Carbon Monoxide (CO) |
Detection Concentration |
5~5000ppm CO |
Standard Circuit Conditions |
Loop Voltage |
VC |
≤24V DC |
Heating Voltage |
VH |
2.5V±0.1V AC or DC (High Temperature) 0.5V±0.1V AC or DC (Low Temperature)
|
Heating Time |
TL |
60s±1s (High Temperature), 90s±1s (Low Temperature), |
Load Resistance |
RL |
Adjustable |
Gas Sensor Characteristics Under Standard Test Conditions |
Heating Resistor |
RH |
80±20Ω (Room Temperature) |
Heating Power Consumption |
PH |
≤50mW |
Sensitive Body Resistance |
RS |
1kΩ~30kΩ (in 150ppm CO) |
Sensitivity |
S |
Ro(in air)/RS (in 150ppm CO)≥3 |
Standard Test Conditions |
Temperature and Humidity |
20℃±2℃, 55%±5%RH |
Standard Test Circuit |
VC: 2.5V±0.1V (High Temperature), 0.5V±0.1V (Low Temperature)
VH: 5.0V±0.1V
|
Dimension
Circuit Diagram
Tips: What is a carbon monoxide (CO) gas sensor?
Carbon monoxide (CO) gas sensor is a device designed to detect and measure the presence of carbon monoxide gas in the surrounding environment. Carbon monoxide is a colorless, odorless, and tasteless gas that is produced by incomplete combustion of carbon-containing fuels, such as gas, oil, wood, and coal. It is highly toxic and poses a significant health risk to humans and animals.
The CO sensor operates based on various technologies, including electrochemical, metal oxide, infrared, and semiconductor sensors. Electrochemical sensors are commonly used and work by measuring the electrical current produced when carbon monoxide reacts with a chemical solution within the sensor. The concentration of carbon monoxide is then calculated based on this current.
These sensors are crucial for ensuring safety in environments where combustion occurs, such as homes with gas appliances, industrial facilities, and vehicles. When the sensor detects elevated levels of carbon monoxide, it triggers an alarm or activates safety systems to alert individuals and prompt them to take necessary precautions, such as ventilating the area or evacuating. This early detection capability is vital for preventing carbon monoxide poisoning, a potentially life-threatening condition that can lead to symptoms ranging from headaches and dizziness to unconsciousness and death. Regular maintenance and calibration of CO sensors are essential to ensure their accuracy and reliability.