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DT-SENSE METHANE SENSOR is based on the gas sensor module the sensor MQ-4, namely, sensors that are capable of detecting the levels of methane gas and natural gas found in the air. This module is equipped with some of the supporting components such as resistors pull-ups, LED indicator and a jumper which is intended to facilitate its use. This module is suitable for detecting application and countermeasure in gas leak at an industrial or household environments.

DT-SENSE METHANE SENSOR is designed to use high-quality SMD components to be used in applications that require reliable performance and space requirements are minimal. On the side of the interface, there are two options for the userthat is TTL UART with baud rate 38400 bps or I2C module allowing forcascade up to 8 pieces.

Dimensions: 5.6 cm (L) x 4 cm (W) x 3.4 cm (H)

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  • Application Note

Specifications:

  • Working voltage: 5 VDC.
  • Target gas: methane (CH4) and natural gas.
  • Detection Range : 200-10,000 ppm.
  • Interface:
    • UART TTL: 38400 bps, 8 data bits, 1 stop bit, no parityno flow control.
    • I2C: cancascade up to 8 modules in one line of communication.
  • Using 10-bit ADC for conversion of analog data from sensors.
  • Have an output in the form of digital data with a value of 0 to 1023 (ADC conversion results).
  • There is 1 piece variable resistors for setting the threshold value manually.
  • Provided a couple of jumpers to configure the pull-up I2C, load resistor, as well as variable resistors threshold.
  • Features of control on/off with 2 working mode selection i.e. hysterisis and window.
  • The i/o pins are compatible with the level of voltage TTL and CMOS.
  • Features 2 LED as an indicator.
  • Equipped with a series of EMI filters to reduce electromagnetic interference.
  • Gas sensors are compatible with:
    • MQ-3 (alcohol).
    • MQ-4 (methane).
    • MQ-6 (LPG).
    • MQ-7 (carbon monooxide).
    • MQ-135 (water quality).
    • MG-811 (carbon dioxide).

 

Includes:

  • 1x DT-SENSE METHANE SENSOR.

Application Note Table

Article File Desc date
AN224n.pdf AN224.zip
[AN224] Antarmuka DT-Sense Gas Sensor menggunakan Arduinoâ„¢ UNO

Interfacing between DT-Sense Gas Sensor and Arduino™ UNO, with simple testing program using i2cmaster Library

16-04-2015