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Sensor de Gas Metano – MQ-4 (ÚLTIMAS PIEZAS)

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El precio original era: $100.00.El precio actual es: $50.00. MXN (IVA Incluido)

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Código De Producto: 1633

Este sensor de gas semiconductor detecta la presencia de gas metano (CNG) a concentraciones de 300 ppm a 10.000 ppm, un intervalo adecuado para la detección de fugas de gas.
La interfaz sencilla de tensión analógica del sensor requiere sólo un pin de entrada analógica del microcontrolador.

Localización: C10

Información adicional

Fabricante

Pololu

SKU 1633 Categorías , Etiqueta

Sin existencias

Descripción:

This methane gas sensor detects the concentration of methane gas in the air and ouputs its reading as an analog voltage. The concentration sensing range of 300 ppm to 10,000 ppm is suitable for leak detection. For example, the sensor could detect if someone left a gas stove on but not lit. The sensor can operate at temperatures from -10 to 50°C and consumes less than 150 mA at 5 V. Please read the MQ4 datasheet(161k pdf) for more information about the sensor.

Connecting five volts across the heating (H) pins keeps the sensor hot enough to function correctly. Connecting five volts at either the A or B pins causes the sensor to emit an analog voltage on the other pins. A resistive load between the output pins and ground sets the sensitivity of the detector. Please note that the picture in the datasheet for the top configuration is wrong. Both configurations have the same pinout consistent with the bottom configuration.The resistive load should be calibrated for your particular application using the equations in the datasheet, but a good starting value for the resistor is 20 kΩ.Connections

We offer two breakout boards that make it easier to interface with these sensors: a Pololu carrier board and a SparkFun carrier board. The Pololu version is shown below.

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$580.00 MXN (IVA Incluido)

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