The digital output can be easily interfaced with microcontrollers and other circuits. The analog output can be hooked up to an ADC of a microcontroller to get a wide range of sensor readings. This is a simple-to-use compressed natural gas (CNG) sensor, suitable for sensing natural gas (composed of mostly Methane [CH4]) concentrations in the air.
Features
Signal output indicator
Dual Signals output (analog output and TTL output)
The TTL output signal is low level, allows to connect with SCM directly
Analog output 0~5V voltage
High sensitivity
Long working life and stable performance
Quick response and recovery.
Specification
| Model | MQ-4 |
| IC Chip | LM393 |
| Operating Voltage (VDC) | 3 ~ 5 |
| Detecting Range | 300ppm to 10000ppm |
| Length (mm) | 31 |
| Width (mm) | 19 |
| Height (mm) | 21 |
| Weight (gm) | 6 |
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