MQ-7 Carbon Monoxide Sensor
$8.99
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Use this sensor to detect Carbon Monoxide (CO) concentrations.
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This Gas Sensor detects carbon monoxide concentrations in the air. An analog signal increases as the concentration of carbon monoxide gas increases in the air. This module also includes a digital output pin with TTL output. The Potentiometer on board is used to set the Digital Output Setpoint.
Specifications:
- Wide detecting scope
- High sensitivity & stability
- Simple drive circuit
- Type: MQ-7
- Detection Zone: 10 - 1000ppm
- Sensitivity: ≥3%
- Voltage in Clean Air: ≤1.5V
- Load Resistance:10K (variable via onboard potentiometer)
- Response Time:≤1s (pre-heating 3-5 minutes)
- Recovery Time:≤30s
- Heating Current:≤140mA
- Heating Voltage:5.0V±0.2V
- Heating Power: ≤700mW
- Maximum Voltage:≤15V
- Operating Conditions:
- Ambient Temperature:-10℃～+50℃
- Humidity:≤95%RH
- Life expectancy: 5 years
- Operating Voltage: 5V
- Compatible with Arduino & Raspberry Pi
- Pinout:
- VCC: 5V
- AOUT: Analog Output
- DOUT: Digital Output
- GND: 0V
TS1290
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Use this sensor to detect Carbon Monoxide (CO) concentrations.