Application
Domestic CO leakage alarm, industrial CO gas alarm and portable CO detector.
Features
- High sensitivity to CO,CH4 in wide range
- Small sizes, Long lifespan, Low cost, Simple circuit
Specifications
| Model | MP-9 |
| Sensor Type | Flat Surfaced Semiconductor |
| Standard Encapsulation | Metal Cap |
| Target Gas | CO, CH4 |
| Detection range | 50～1000ppm CO,300～10000ppm CH4 |
| Standard Circuit Conditions | Loop Voltage | Vc | ≤10V DC |
| Heater Voltage | VH | 5.0V±0.1V AC or DC (High temp.) 1.5V±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 | 105Ω±10Ω (room tem.) |
| Heater consumption | PH | ≤240mW |
| Sensitivity | S | Rs(in air)/Rs(in 100ppm CO)≥3 Rs(in air)/Rs(in 5000ppm CH4)≥3 |
| Output voltage | Vs | 2.5V ～ 4.3V (in 100ppm CO) 2.0V ～ 4.0V (in 5000ppm CH4) |
| Concentration Slope | α | ≤0.6(R300ppm/R50ppmCO) ≤0.6(R5000ppm/R1000ppm CH4) |
| Environment Conditions | Operation Temp. | Tao | -10℃~50℃ |
| Storage Temp. | Tas | -20℃~70℃ |
| Relative Humidity | RH | Less than 95%RH |
| O2 concentration | O2 | 21%±1%(can’t be less than 18%) O2 concentration effects sensor’s performance. |
| Preheat time | Not less than 48 hours |
* The description and specifications might be changed without notice. Please contact us for the latest information before placing orders.
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