Description: 1. Sensors: The MQ-9 Gas Sensor Module is a versatile gas detector that can detect carbon monoxide (CO), methane (CH4), and Liquified Petroleum Gas (LPG) through the utilization of an MQ-9 sensor chip. 2. Digital Output: This module offers a digital output signal, which is more reliable and precise compared to analog alternatives. It enables easier integration with various IoT systems and microcontrollers for efficient data processing. 3. User-friendly Design: Featuring an intuitive design, this gas sensor module comes pre-assembled with the MQ-9 sensor chip, a heater, and necessary resistors. This simplifies setup, making it suitable for hobbyists and professionals alike. 4. Heating Element: A built-in heating element ensures optimal performance by keeping the MQ-9 sensor at an optimal temperature of around 350°F (177°C). This enhances sensitivity to gas molecules and minimizes potential false readings in cold environments. 5. LED Indicator: The module includes an LED indicator t
| Specification | Details |
|---|---|
| Gas Type | Detects Carbon Monoxide (CO) Methane (CH4) and Liquefied Petroleum Gas (LPG) |
| Sensor Type | Metal Oxide Semiconductor (MOS) |
| Operating Voltage | 3.3V to 5V DC |
| Current Consumption | Typically around 150mA |
| Detection Range | CO: 10-1000ppm CH4: 200-10000ppm LPG: 50-5000ppm |
| Response Time | Around 8 seconds |
| Accuracy | ±5% |
| Temperature Range | -20°C to 70°C |
| Humidity Range | 10-90% relative humidity |
| Dimension | 34mm x 22mm x 14mm |
| Weight | Approximately 25 grams |
| Interface | Analog output (0-5V) |
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