Application
It is suitable for the detection of carbon monoxide leakage for residential use or industrial use.
Features
- MEMS technology, strong structure
- High sensitivity to CO gas
- High sensitivity, Low power consumption
- Fast response and resume
- Simple drive circuit
Specifications
| Part No. | GM-702B |
| Sensor Type | MEMS CO Gas Sensor |
| Standard Encapsulation | Ceramic |
| Detection Gas | CO gas |
| Detection Range | 5~5000ppm (CO) |
| Standard Circuit Conditions | Loop Voltage | VC | ≤24V DC |
| Heater Voltage | VH | 2.5V±0.1V AC or DC (high temp.) 0.5V±0.1V AC or DC (low temp.) |
| Heating Time | TL | 60s±1s (high temp.) 90s±1s (low temp.) |
| Load Resistance | RL | Adjustable |
| Sensor character under standard test conditions | Heater Resistance | RH | 80Ω±20Ω（room temperature） |
| Heater consumption | PH | ≤50mW |
| sensitive materials resistance | RS | 1KΩ～30KΩ(in 150ppm CO) |
| Sensitivity | S | R0(in air)/Rs(in 150ppmCO)≥3 |
| Standard test conditions | Temp. Humidity | 20℃±2℃；55%±5%RH |
| Standard test circuit | VH: 2.5V±0.1V (high temp.) 0.5V±0.1V (low temp.) VC: 5.0V±0.1V |
* The description and specifications might be changed without notice. Please contact us for the latest information before placing orders.
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