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MQ-135 MQ135 Air Quality Sensor Hazardous Gas Detection Module For Arduino AVR

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MQ-135 MQ135 Air Quality Sensor Hazardous Gas Detection Module For Arduino AVR

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MQ-135 MQ135 Air Quality Sensor Hazardous Gas Detection Module For Arduino AVR 
Module Applications: 
 Probe for home, environmental harmful gas detection device, suitable to ammonia , aromatic compounds , sulfur compounds , benzene vapor , smoke and other gases harmful gases , the gas sensitive element concentration range : 10 to 1000ppm 
Module Features: 
 1. Using high-quality dual-panel design, with power indicator and TTL signal output instructions; 
2. The switching signal having a DO (TTL) output and analog output AO; 
3. TTL output valid signal is low. ( Low-level signal when the output light can be directly connected to the microcontroller or relay module ) 
4. The higher the voltage , the concentration of the analog output voltage is higher. 
5. Air quality, hazardous gas detection with good sensitivity. 
6. There are four screw holes for easy positioning; 
7 Product dimensions: 32 (L) * 20 (W) * 22 (H) 
8. Has a long life and reliable stability 
9. Rapid response and recovery characteristics. 
Electrical properties: 
 Input voltage: DC5V Power consumption ( current ): 150mA 
DO output: TTL digital 0 and 1 ( 0.1 and 5V) 
AO output :0.1-0 .3 V ( relative to pollution ) , the maximum concentration of a voltage of about 4V 
Special note: After the sensor is powered , needs to warm up around 20S, measured data was stable, heat sensor is a normal phenomenon , because the internal heating wire , if hot is not normal. 
Wiring: 
1. VCC: positive power supply (5V) 
2. GND: power supply is negative 
3. DO: TTL switching signal output 
4. AO: analog signal output 

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产品详情

MQ-135 MQ135 Air Quality Sensor Hazardous Gas Detection Module For Arduino AVR 
Module Applications: 
 Probe for home, environmental harmful gas detection device, suitable to ammonia , aromatic compounds , sulfur compounds , benzene vapor , smoke and other gases harmful gases , the gas sensitive element concentration range : 10 to 1000ppm 
Module Features: 
 1. Using high-quality dual-panel design, with power indicator and TTL signal output instructions; 
2. The switching signal having a DO (TTL) output and analog output AO; 
3. TTL output valid signal is low. ( Low-level signal when the output light can be directly connected to the microcontroller or relay module ) 
4. The higher the voltage , the concentration of the analog output voltage is higher. 
5. Air quality, hazardous gas detection with good sensitivity. 
6. There are four screw holes for easy positioning; 
7 Product dimensions: 32 (L) * 20 (W) * 22 (H) 
8. Has a long life and reliable stability 
9. Rapid response and recovery characteristics. 
Electrical properties: 
 Input voltage: DC5V Power consumption ( current ): 150mA 
DO output: TTL digital 0 and 1 ( 0.1 and 5V) 
AO output :0.1-0 .3 V ( relative to pollution ) , the maximum concentration of a voltage of about 4V 
Special note: After the sensor is powered , needs to warm up around 20S, measured data was stable, heat sensor is a normal phenomenon , because the internal heating wire , if hot is not normal. 
Wiring: 
1. VCC: positive power supply (5V) 
2. GND: power supply is negative 
3. DO: TTL switching signal output 
4. AO: analog signal output 

MQ-135 MQ135 Air Quality Sensor Hazardous Gas Detection Module For Arduino AVR
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About Us

 

Hailege is located in Shenzhen, a Technology City in China. We are a Big & Professional Electronics Modules, Sensors and Robort Parts Manufacturer, we have our own Brand "Hailege",  products including Develop Boards like Uno, MEGA, Pro mini, Nano, ESP8266, ESP32, Power & Drive modules, Sensors, Breadboards, Connectors and Jumper Wires etc.We are committing ourselves to provide the Newest products with High quality and competitive price to the people at all over the world!

 

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